texinfo-commits
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[7971] save spaces_before_argument as simple string


From: gavinsmith0123
Subject: [7971] save spaces_before_argument as simple string
Date: Wed, 25 Oct 2017 16:23:06 -0400 (EDT)

Revision: 7971
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=7971
Author:   gavin
Date:     2017-10-25 16:23:05 -0400 (Wed, 25 Oct 2017)
Log Message:
-----------
save spaces_before_argument as simple string

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/tp/Texinfo/Convert/Converter.pm
    trunk/tp/Texinfo/Convert/Texinfo.pm
    trunk/tp/Texinfo/Convert/TexinfoXML.pm
    trunk/tp/Texinfo/Parser.pm
    trunk/tp/t/results/converters_tests/at_commands_in_refs.pl
    trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl
    trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl
    trunk/tp/t/results/converters_tests/inline.pl
    trunk/tp/t/results/converters_tests/inline_expand_tex.pl
    trunk/tp/t/results/converters_tests/inlinefmtifelse.pl
    trunk/tp/t/results/converters_tests/inlineifsetifclear.pl
    trunk/tp/t/results/converters_tests/ref_error_formatting.pl
    trunk/tp/t/results/converters_tests/ref_in_sectioning.pl
    trunk/tp/t/results/converters_tests/refs_formatting.pl
    trunk/tp/t/results/converters_tests/things_before_setfilename.pl
    trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl
    trunk/tp/t/results/converters_tests/top_in_ref.pl
    trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl
    trunk/tp/t/results/coverage/block_commands.pl
    trunk/tp/t/results/coverage/commands.pl
    trunk/tp/t/results/coverage/def.pl
    trunk/tp/t/results/coverage/math.pl
    trunk/tp/t/results/coverage/punctuation_in_line_commands.pl
    trunk/tp/t/results/coverage_braces/abbr_acronym.pl
    trunk/tp/t/results/coverage_braces/empty_images.pl
    trunk/tp/t/results/coverage_braces/empty_ref.pl
    trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl
    trunk/tp/t/results/coverage_braces/footnote_ending_on_empty_line.pl
    trunk/tp/t/results/coverage_braces/footnote_not_closed.pl
    trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl
    trunk/tp/t/results/coverage_braces/heading_in_footnote.pl
    trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl
    trunk/tp/t/results/coverage_braces/nested_args.pl
    trunk/tp/t/results/coverage_braces/nested_in_sc.pl
    trunk/tp/t/results/coverage_braces/recursive_acronym.pl
    trunk/tp/t/results/coverage_braces/ref_empty_node.pl
    trunk/tp/t/results/coverage_braces/space_in_anchor.pl
    trunk/tp/t/results/coverage_braces/space_in_footnote.pl
    trunk/tp/t/results/coverage_braces/space_in_image.pl
    trunk/tp/t/results/coverage_braces/test_image.pl
    trunk/tp/t/results/coverage_braces/too_much_args.pl
    trunk/tp/t/results/coverage_braces/uref_in_ref.pl
    trunk/tp/t/results/coverage_braces/verb_in_xref.pl
    trunk/tp/t/results/def/empty_def_arguments.pl
    trunk/tp/t/results/def/end_of_lines_protected_in_footnote.pl
    trunk/tp/t/results/def/inter_item_commands_in_def.pl
    trunk/tp/t/results/def/inter_item_commands_in_def_in_example.pl
    trunk/tp/t/results/def/leading_space_in_def_arg.pl
    trunk/tp/t/results/def/space_in_def_for_index.pl
    trunk/tp/t/results/def/wrong_braces_simple.pl
    trunk/tp/t/results/def/wrong_braces_with_end_of_lines.pl
    trunk/tp/t/results/float/anchor_in_caption.pl
    trunk/tp/t/results/float/cindex_in_caption.pl
    trunk/tp/t/results/float/comment_space_comand_in_float.pl
    trunk/tp/t/results/float/complex_float.pl
    trunk/tp/t/results/float/empty_listoffloats_with_floats.pl
    trunk/tp/t/results/float/float_copying.pl
    trunk/tp/t/results/float/float_with_at_commands.pl
    trunk/tp/t/results/float/footnote_in_caption.pl
    trunk/tp/t/results/float/footnote_in_caption_and_error.pl
    trunk/tp/t/results/float/numbering_captions_listoffloats.pl
    trunk/tp/t/results/float/ref_to_float.pl
    trunk/tp/t/results/float/simple.pl
    trunk/tp/t/results/html_tests/check_htmlxref.pl
    trunk/tp/t/results/html_tests/commands_in_abbr.pl
    trunk/tp/t/results/indices/empty_index_entry.pl
    trunk/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl
    trunk/tp/t/results/info_tests/error_in_footnote.pl
    trunk/tp/t/results/info_tests/float_long_captions.pl
    trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl
    trunk/tp/t/results/info_tests/invalid_node_name_warning.pl
    trunk/tp/t/results/info_tests/multiline_image_and_align.pl
    trunk/tp/t/results/info_tests/pxref_test.pl
    trunk/tp/t/results/info_tests/ref_tests.pl
    trunk/tp/t/results/info_tests/xref_test.pl
    trunk/tp/t/results/invalid_nestings/float_in_style_command.pl
    trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl
    trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl
    trunk/tp/t/results/invalid_nestings/in_errormsg.pl
    trunk/tp/t/results/invalid_nestings/in_table.pl
    trunk/tp/t/results/invalid_nestings/item_in_ref.pl
    trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl
    trunk/tp/t/results/invalid_nestings/on_node_line.pl
    trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl
    trunk/tp/t/results/invalid_nestings/section_in_footnote.pl
    trunk/tp/t/results/invalid_nestings/section_in_math.pl
    trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl
    trunk/tp/t/results/menu/inlineraw_in_menu_description.pl
    trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl
    trunk/tp/t/results/misc_commands/ref_in_center.pl
    trunk/tp/t/results/paragraph/commands_in_flushright.pl
    trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl
    trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl
    trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl
    trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl
    trunk/tp/t/results/plaintext_tests/quote_node_names.pl
    trunk/tp/t/results/raw/inline_in_example.pl
    trunk/tp/t/results/raw/inline_missing_first_arg.pl
    trunk/tp/t/results/raw/inlinefmt.pl
    trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl
    trunk/tp/t/results/raw/inlineraw.pl
    trunk/tp/t/results/raw/inlineraw_with_empty_line.pl
    trunk/tp/t/results/regions/anchor_in_copying_in_footnote.pl
    trunk/tp/t/results/sectioning/a_comma_after_node.pl
    trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl
    trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl
    trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl
    trunk/tp/t/results/sectioning/complex.pl
    trunk/tp/t/results/sectioning/complex_split_at_node.pl
    trunk/tp/t/results/sectioning/double_node_anchor_float.pl
    trunk/tp/t/results/sectioning/double_top.pl
    trunk/tp/t/results/sectioning/double_top_in_menu.pl
    trunk/tp/t/results/sectioning/email_in_node.pl
    trunk/tp/t/results/sectioning/empty_anchor.pl
    trunk/tp/t/results/sectioning/empty_node.pl
    trunk/tp/t/results/sectioning/empty_ref_arg.pl
    trunk/tp/t/results/sectioning/equivalent_labels.pl
    trunk/tp/t/results/sectioning/equivalent_nodes.pl
    trunk/tp/t/results/sectioning/explicit_node_directions.pl
    trunk/tp/t/results/sectioning/more_sections_than_nodes.pl
    trunk/tp/t/results/sectioning/next_no_prev_to_node.pl
    trunk/tp/t/results/sectioning/no_element.pl
    trunk/tp/t/results/sectioning/node.pl
    trunk/tp/t/results/sectioning/node_empty_direction.pl
    trunk/tp/t/results/sectioning/node_too_much_args.pl
    trunk/tp/t/results/sectioning/node_up_external_node.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl
    trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl
    trunk/tp/t/results/sectioning/nodes_before_top.pl
    trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl
    trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl
    trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl
    trunk/tp/t/results/sectioning/novalidate.pl
    trunk/tp/t/results/sectioning/part_node_before_top.pl
    trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl
    trunk/tp/t/results/sectioning/placed_things_before_element.pl
    trunk/tp/t/results/sectioning/placed_things_before_node.pl
    trunk/tp/t/results/sectioning/semi_auto.pl
    trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl
    trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl
    trunk/tp/t/results/value/value_in_node.pl
    trunk/tp/t/results/value/value_node_directions.pl
    trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl
    trunk/tp/t/results/xml_tests/commands_and_spaces.pl
    trunk/tp/t/results/xml_tests/image_inline_or_not.pl

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/ChangeLog     2017-10-25 20:23:05 UTC (rev 7971)
@@ -1,3 +1,19 @@
+2017-10-25  Gavin Smith  <address@hidden>
+
+       * tp/Texinfo/Parser.pm (_parse_texi): Rename reference to spaces 
+       element from 'spaces_before_argument' to 'spaces_before_argument_elt'.
+       (_abort_empty_line): Replace 'spaces_before_argument_elt' value
+       with 'spaces_before_argument', a simple string value.
+       (_close_current),
+       (_parse_texi) <new line>: Call '_abort_empty_line' to remove 
+       spaces element.
+
+       * tp/Texinfo/Convert/Converter.pm
+       (_collect_leading_trailing_spaces_arg),
+       * tp/Texinfo/Convert/Texinfo.pm (convert, _expand_cmd_args_to_texi),
+       * tp/Texinfo/Convert/TexinfoXML.pm (_leading_spaces_before_argument):
+       Access 'spaces_before_argument' as a string value.
+
 2017-09-25  Gavin Smith  <address@hidden>
 
        * tp/Texinfo/Parser.pm (_abort_empty_line): Change code to

Modified: trunk/tp/Texinfo/Convert/Converter.pm
===================================================================
--- trunk/tp/Texinfo/Convert/Converter.pm       2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/Texinfo/Convert/Converter.pm       2017-10-25 20:23:05 UTC (rev 
7971)
@@ -1101,7 +1101,7 @@
   my @result;
   if ($arg->{'extra'} and
       $arg->{'extra'}->{'spaces_before_argument'}) {
-    $result[0] = $arg->{'extra'}->{'spaces_before_argument'}->{'text'};
+    $result[0] = $arg->{'extra'}->{'spaces_before_argument'};
   } elsif ($arg->{'contents'} and $arg->{'contents'}->[0] 
       and defined($arg->{'contents'}->[0]->{'text'})
       and $arg->{'contents'}->[0]->{'text'} !~ /\S/

Modified: trunk/tp/Texinfo/Convert/Texinfo.pm
===================================================================
--- trunk/tp/Texinfo/Convert/Texinfo.pm 2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/Texinfo/Convert/Texinfo.pm 2017-10-25 20:23:05 UTC (rev 7971)
@@ -88,7 +88,7 @@
       $result .= '{';
       if ($root->{'extra'}
           and $root->{'extra'}->{'spaces_before_argument'}) {
-         $result .= $root->{'extra'}->{'spaces_before_argument'}->{'text'};
+         $result .= $root->{'extra'}->{'spaces_before_argument'};
       }
     }
     if (defined($root->{'contents'})) {
@@ -160,7 +160,7 @@
       if (ref($cmd->{'args'}) ne 'ARRAY');
     foreach my $arg (@{$cmd->{'args'}}) {
       if ($arg->{'extra'} and $arg->{'extra'}->{'spaces_before_argument'}) {
-        $result .= $arg->{'extra'}->{'spaces_before_argument'}->{'text'};
+        $result .= $arg->{'extra'}->{'spaces_before_argument'};
       }
       $result .= convert($arg, $fix) . ',';
     }
@@ -179,7 +179,7 @@
     }
     if ($cmd->{'extra'}
         and $cmd->{'extra'}->{'spaces_before_argument'}) {
-      $result .= $cmd->{'extra'}->{'spaces_before_argument'}->{'text'};
+      $result .= $cmd->{'extra'}->{'spaces_before_argument'};
     }
     my $arg_nr = 0;
     foreach my $arg (@{$cmd->{'args'}}) {
@@ -189,7 +189,7 @@
         $arg_nr++;
       }
       if ($arg->{'extra'} and $arg->{'extra'}->{'spaces_before_argument'}) {
-        $result .= $arg->{'extra'}->{'spaces_before_argument'}->{'text'};
+        $result .= $arg->{'extra'}->{'spaces_before_argument'};
       }
       $result .= convert($arg, $fix);
     }

Modified: trunk/tp/Texinfo/Convert/TexinfoXML.pm
===================================================================
--- trunk/tp/Texinfo/Convert/TexinfoXML.pm      2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/Texinfo/Convert/TexinfoXML.pm      2017-10-25 20:23:05 UTC (rev 
7971)
@@ -597,10 +597,9 @@
 {
   my $root = shift;
   if ($root->{'extra'} and $root->{'extra'}->{'spaces_before_argument'}
-      and $root->{'extra'}->{'spaces_before_argument'}->{'type'} eq 
'empty_spaces_before_argument'
-      and $root->{'extra'}->{'spaces_before_argument'}->{'text'} ne '') {
+      and $root->{'extra'}->{'spaces_before_argument'} ne '') {
     return ('spaces', _protect_in_spaces(
-                 $root->{'extra'}->{'spaces_before_argument'}->{'text'}));
+                 $root->{'extra'}->{'spaces_before_argument'}));
   } else {
     return ();
   }

Modified: trunk/tp/Texinfo/Parser.pm
===================================================================
--- trunk/tp/Texinfo/Parser.pm  2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/Texinfo/Parser.pm  2017-10-25 20:23:05 UTC (rev 7971)
@@ -1729,7 +1729,8 @@
           and $current->{'contents'}->[0]->{'type'}
           and $current->{'contents'}->[0]->{'type'}
                 eq 'empty_spaces_before_argument') {
-        shift @{$current->{'contents'}};
+        # remove spaces element from tree and update extra values
+        _abort_empty_line($self, $current)
       }
 
     } elsif ($current->{'type'} eq 'menu_comment' 
@@ -2148,13 +2149,13 @@
 
     my $owning_element;
     if ($current->{'extra'} 
-        and $current->{'extra'}->{'spaces_before_argument'}
-        and $current->{'extra'}->{'spaces_before_argument'} 
+        and $current->{'extra'}->{'spaces_before_argument_elt'}
+        and $current->{'extra'}->{'spaces_before_argument_elt'} 
               eq $spaces_element) {
       $owning_element = $current;
     } elsif ($current->{'parent'} and $current->{'parent'}->{'extra'} 
-        and $current->{'parent'}->{'extra'}->{'spaces_before_argument'}
-        and $current->{'parent'}->{'extra'}->{'spaces_before_argument'} 
+        and $current->{'parent'}->{'extra'}->{'spaces_before_argument_elt'}
+        and $current->{'parent'}->{'extra'}->{'spaces_before_argument_elt'} 
               eq $spaces_element) {
       $owning_element = $current->{'parent'};
     } elsif ($current->{'extra'} 
@@ -2181,8 +2182,8 @@
       pop @{$current->{'contents'}};
 
       if ($owning_element
-          and $owning_element->{'extra'}->{'spaces_before_argument'}) {
-        delete ($owning_element->{'extra'}->{'spaces_before_argument'});
+          and $owning_element->{'extra'}->{'spaces_before_argument_elt'}) {
+        delete ($owning_element->{'extra'}->{'spaces_before_argument_elt'});
         delete ($owning_element->{'extra'})
           if !(keys(%{$owning_element->{'extra'}}));
       } elsif ($owning_element
@@ -2203,8 +2204,13 @@
       $spaces_element->{'type'} = 'empty_spaces_after_command';
     } elsif ($spaces_element->{'type'} eq 'empty_spaces_before_argument') {
       # Remove element from main tree. It will still be referenced in
-      # the 'extra' hash as 'spaces_before_argument' or 'spaces_after_command'.
+      # the 'extra' hash as 'spaces_before_argument'.
       pop @{$current->{'contents'}};
+
+      # Replace element reference with a simple string.
+      $owning_element->{'extra'}->{'spaces_before_argument'}
+        = $owning_element->{'extra'}->{'spaces_before_argument_elt'}->{'text'};
+      delete $owning_element->{'extra'}->{'spaces_before_argument_elt'};
     }
 
     return 1;
@@ -3626,15 +3632,14 @@
         and $self->{'context_stack'}->[-1] ne 'def') {
       print STDERR "BEGIN LINE\n" if ($self->{'DEBUG'});
 
-      # FIXME: should we continue with this element instead?
       if ($current->{'contents'}
           and $current->{'contents'}->[-1]
           and $current->{'contents'}->[-1]->{'type'}
           and $current->{'contents'}->[-1]->{'type'}
                eq 'empty_spaces_before_argument') {
-        # If we do not remove this here, it will not be removed in 
-        # _abort_new_line due to the 'empty_line' element which is added next.
-        pop @{$current->{'contents'}};
+        # Remove this element and update 'extra' values.
+        # FIXME: should we continue with this element instead?
+        _abort_empty_line($self, $current);
       }
       $line =~ s/^([^\S\r\n]*)//;
       push @{$current->{'contents'}}, { 'type' => 'empty_line', 
@@ -4931,7 +4936,7 @@
               push @{$current->{'contents'}}, { 'type' => 
'empty_spaces_before_argument', 
                                         'text' => $1,
                                         'parent' => $current };
-              $current->{'parent'}->{'extra'}->{'spaces_before_argument'}
+              $current->{'parent'}->{'extra'}->{'spaces_before_argument_elt'}
                  = $current->{'contents'}->[-1];
             } else {
               $current->{'type'} = 'brace_command_arg';
@@ -4942,7 +4947,7 @@
                   {'type' => 'empty_spaces_before_argument',
                    'text' => '',
                    'parent' => $current };
-                $current->{'extra'}->{'spaces_before_argument'}
+                $current->{'extra'}->{'spaces_before_argument_elt'}
                    = $current->{'contents'}->[-1];
               }
               if ($inline_commands{$command}) {
@@ -4972,7 +4977,7 @@
                  'text' => '',
                  'parent' => $current };
             print STDERR "BRACKETED in def/multitable\n" if ($self->{'DEBUG'});
-            $current->{'extra'}->{'spaces_before_argument'}
+            $current->{'extra'}->{'spaces_before_argument_elt'}
                = $current->{'contents'}->[-1];
 
           # lone braces accepted right in a rawpreformatted
@@ -5160,8 +5165,7 @@
 
               } elsif (length ($arg) < 4) {
                 # Perl doesn't mind, but too much trouble to do in TeX.
-                $self->line_warn(
-sprintf($self->__("fewer than four hex digits in argument for address@hidden: 
%s"), $arg),
+                $self->line_warn(sprintf($self->__("fewer than four hex digits 
in argument for address@hidden: %s"), $arg),
                   $line_nr);
 
               } else {
@@ -5380,7 +5384,7 @@
                  {'type' => 'empty_spaces_before_argument',
                   'text' => '',
                   'parent' => $current };
-          $current->{'extra'}->{'spaces_before_argument'}
+          $current->{'extra'}->{'spaces_before_argument_elt'}
             = $current->{'contents'}->[-1];
         } elsif ($separator eq ',' and $current->{'type'}
             and $current->{'type'} eq 'misc_line_arg'
@@ -6880,7 +6884,13 @@
 =item spaces_before_argument
 
 For @-commands with opening brace followed by spaces held in a 
+C<empty_spaces_before_argument> element, a reference to those spaces.
+
+=item spaces_before_argument_elt
+
+For @-commands with opening brace followed by spaces held in a 
 C<empty_spaces_before_argument> element, a reference to that element.
+Should not occur in final tree.
 
 =item spaces
 

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs.pl  2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs.pl  2017-10-25 
20:23:05 UTC (rev 7971)
@@ -2639,11 +2639,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -2801,11 +2797,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -2971,11 +2963,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -4270,11 +4258,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -9287,11 +9271,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9441,11 +9421,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9597,11 +9573,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9751,11 +9723,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9915,11 +9883,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -10056,11 +10020,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -12368,11 +12328,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -12539,11 +12495,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -15111,11 +15063,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -15261,11 +15209,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -15419,11 +15363,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -16614,11 +16554,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -17439,7 +17375,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -17474,7 +17409,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -17511,7 +17445,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -17803,7 +17736,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -19126,7 +19058,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19160,7 +19091,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19194,7 +19124,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19228,7 +19157,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19264,7 +19192,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
@@ -19297,7 +19224,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
@@ -19827,7 +19753,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
@@ -19864,7 +19789,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
@@ -20655,7 +20579,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -20691,7 +20614,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -20729,7 +20651,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -21031,7 +20952,6 @@
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl   
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs_latin1.pl   
2017-10-25 20:23:05 UTC (rev 7971)
@@ -2726,11 +2726,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -2888,11 +2884,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -3058,11 +3050,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -4359,11 +4347,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -9376,11 +9360,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9530,11 +9510,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9686,11 +9662,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9840,11 +9812,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -10004,11 +9972,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -10145,11 +10109,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -12461,11 +12421,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -12632,11 +12588,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -15204,11 +15156,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -15354,11 +15302,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -15512,11 +15456,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -16709,11 +16649,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -17549,7 +17485,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -17584,7 +17519,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -17621,7 +17555,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -17913,7 +17846,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -19236,7 +19168,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19270,7 +19201,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19304,7 +19234,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19338,7 +19267,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19374,7 +19302,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
@@ -19407,7 +19334,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
@@ -19937,7 +19863,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
@@ -19974,7 +19899,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
@@ -20765,7 +20689,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -20801,7 +20724,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -20839,7 +20761,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -21141,7 +21062,6 @@
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_latin1'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl
===================================================================
--- trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl     
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/at_commands_in_refs_utf8.pl     
2017-10-25 20:23:05 UTC (rev 7971)
@@ -2726,11 +2726,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -2888,11 +2884,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -3058,11 +3050,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -4359,11 +4347,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -9376,11 +9360,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9530,11 +9510,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9686,11 +9662,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -9840,11 +9812,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -10004,11 +9972,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -10145,11 +10109,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -12461,11 +12421,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -12632,11 +12588,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -15204,11 +15156,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -15354,11 +15302,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -15512,11 +15456,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -16709,11 +16649,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -17549,7 +17485,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -17584,7 +17519,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[17]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -17621,7 +17555,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -17913,7 +17846,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[2]{'contents'}[1]{'contents'}[27]{'args'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -19236,7 +19168,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[33]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19270,7 +19201,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[34]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19304,7 +19234,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[35]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19338,7 +19267,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[36]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -19374,7 +19302,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[37]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
@@ -19407,7 +19334,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[38]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
@@ -19937,7 +19863,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[55]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
@@ -19974,7 +19899,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
@@ -20765,7 +20689,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[18]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -20801,7 +20724,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[20]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -20839,7 +20761,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[22]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
@@ -21141,7 +21062,6 @@
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_in_refs_utf8'}{'contents'}[56]{'contents'}[7]{'contents'}[40]{'args'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/inline.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inline.pl       2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/converters_tests/inline.pl       2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -35,11 +35,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -91,11 +87,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -147,11 +139,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -203,11 +191,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -318,11 +302,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -374,11 +354,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -430,11 +406,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -486,11 +458,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -574,7 +542,6 @@
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -583,7 +550,6 @@
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -592,7 +558,6 @@
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1];
-$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0];
@@ -601,7 +566,6 @@
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1];
-$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 $result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];
@@ -619,7 +583,6 @@
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1];
-$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -628,7 +591,6 @@
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1];
-$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -637,7 +599,6 @@
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1];
-$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[4]{'args'}[1]{'contents'}[0];
@@ -646,7 +607,6 @@
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1];
-$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1];
 $result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'parent'} = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline'}{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/inline_expand_tex.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inline_expand_tex.pl    2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/inline_expand_tex.pl    2017-10-25 
20:23:05 UTC (rev 7971)
@@ -221,11 +221,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -504,11 +500,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -576,7 +568,6 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1];
-$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[1]{'contents'}[8]{'args'}[1]{'contents'}[0];
@@ -624,7 +615,6 @@
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1];
-$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'parent'}
 = $result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_expand_tex'}{'contents'}[4]{'contents'}[8]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/inlinefmtifelse.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inlinefmtifelse.pl      2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/inlinefmtifelse.pl      2017-10-25 
20:23:05 UTC (rev 7971)
@@ -321,11 +321,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -343,11 +339,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -407,11 +399,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -429,11 +417,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -656,11 +640,9 @@
 $result_trees{'inlinefmtifelse'}{'contents'}[5]{'parent'} = 
$result_trees{'inlinefmtifelse'};
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0];
-$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2];
-$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[6]{'contents'}[0]{'args'}[2]{'contents'}[0];
@@ -670,11 +652,9 @@
 $result_trees{'inlinefmtifelse'}{'contents'}[7]{'parent'} = 
$result_trees{'inlinefmtifelse'};
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0];
-$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2];
-$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'inlinefmtifelse'}{'contents'}[8]{'contents'}[0]{'args'}[2]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/inlineifsetifclear.pl
===================================================================
--- trunk/tp/t/results/converters_tests/inlineifsetifclear.pl   2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/inlineifsetifclear.pl   2017-10-25 
20:23:05 UTC (rev 7971)
@@ -29,11 +29,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -233,11 +229,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -279,7 +271,6 @@
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -310,7 +301,6 @@
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1];
-$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineifsetifclear'}{'contents'}[8]{'contents'}[0]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/ref_error_formatting.pl
===================================================================
--- trunk/tp/t/results/converters_tests/ref_error_formatting.pl 2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/ref_error_formatting.pl 2017-10-25 
20:23:05 UTC (rev 7971)
@@ -1505,11 +1505,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -1522,11 +1518,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -1867,11 +1859,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -1884,11 +1872,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -2629,11 +2613,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -2646,11 +2626,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -2955,11 +2931,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -2972,11 +2944,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -3356,11 +3324,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -3522,11 +3486,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -3539,11 +3499,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -3716,11 +3672,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -4147,10 +4099,8 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3];
-$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4];
-$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[54]{'args'}[1]{'contents'}[0];
@@ -4220,10 +4170,8 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3];
-$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4];
-$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[66]{'args'}[2]{'contents'}[0];
@@ -4371,10 +4319,8 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3];
-$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4];
-$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[94]{'args'}[2]{'contents'}[0];
@@ -4435,10 +4381,8 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3];
-$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4];
-$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[4]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[3]{'contents'}[106]{'args'}[3]{'contents'}[0];
@@ -4512,7 +4456,6 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2];
-$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[5]{'contents'}[10]{'args'}[2]{'contents'}[0];
@@ -4543,10 +4486,8 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1];
-$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2];
-$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -4581,7 +4522,6 @@
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1];
-$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_error_formatting'}{'contents'}[7]{'contents'}[10]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/ref_in_sectioning.pl
===================================================================
--- trunk/tp/t/results/converters_tests/ref_in_sectioning.pl    2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/ref_in_sectioning.pl    2017-10-25 
20:23:05 UTC (rev 7971)
@@ -255,11 +255,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -272,11 +268,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -580,11 +572,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -597,11 +585,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -839,11 +823,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -980,11 +960,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1109,11 +1085,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1229,11 +1201,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1354,11 +1322,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1474,11 +1438,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1577,11 +1537,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1674,11 +1630,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1691,11 +1643,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1795,11 +1743,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1827,11 +1771,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1946,11 +1886,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -2261,10 +2197,8 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3];
-$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4];
-$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[2]{'args'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0];
@@ -2329,10 +2263,8 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4];
-$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
@@ -2380,7 +2312,6 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -2407,7 +2338,6 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[8]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
@@ -2433,7 +2363,6 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[9]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
@@ -2458,7 +2387,6 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
-$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0];
@@ -2482,7 +2410,6 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4];
-$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[11]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0];
@@ -2505,7 +2432,6 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4];
-$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[12]{'args'}[0];
@@ -2524,7 +2450,6 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[13]{'args'}[0];
@@ -2542,10 +2467,8 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -2566,13 +2489,11 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[15]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
@@ -2596,7 +2517,6 @@
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
 
$result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'ref_in_sectioning'}{'contents'}[16]{'args'}[0];

Modified: trunk/tp/t/results/converters_tests/refs_formatting.pl
===================================================================
--- trunk/tp/t/results/converters_tests/refs_formatting.pl      2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/refs_formatting.pl      2017-10-25 
20:23:05 UTC (rev 7971)
@@ -1153,11 +1153,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1170,11 +1166,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1515,11 +1507,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1532,11 +1520,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -2831,11 +2815,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -2848,11 +2828,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3220,11 +3196,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3237,11 +3209,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3486,11 +3454,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3503,11 +3467,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3680,11 +3640,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -4062,10 +4018,8 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4135,10 +4089,8 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4391,10 +4343,8 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4467,10 +4417,8 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4518,10 +4466,8 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -4556,7 +4502,6 @@
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1];
-$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'refs_formatting'}{'contents'}[2]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/things_before_setfilename.pl
===================================================================
--- trunk/tp/t/results/converters_tests/things_before_setfilename.pl    
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/things_before_setfilename.pl    
2017-10-25 20:23:05 UTC (rev 7971)
@@ -369,11 +369,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'block_line_arg'
@@ -557,11 +553,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'block_line_arg'
@@ -1338,7 +1330,6 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1];
-$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[10];
@@ -1372,7 +1363,6 @@
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1];
-$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'contents'}[0];
 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename'}{'contents'}[0]{'contents'}[0]{'contents'}[14];

Modified: 
trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl
===================================================================
--- trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl 
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/things_before_setfilename_no_element.pl 
2017-10-25 20:23:05 UTC (rev 7971)
@@ -367,11 +367,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -555,11 +551,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -1233,7 +1225,6 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1];
-$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[10];
@@ -1267,7 +1258,6 @@
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1];
-$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'contents'}[0];
 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14]{'contents'}[0]{'parent'}
 = 
$result_trees{'things_before_setfilename_no_element'}{'contents'}[0]{'contents'}[14];

Modified: trunk/tp/t/results/converters_tests/top_in_ref.pl
===================================================================
--- trunk/tp/t/results/converters_tests/top_in_ref.pl   2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/converters_tests/top_in_ref.pl   2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -1104,11 +1104,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1121,11 +1117,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1466,11 +1458,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1483,11 +1471,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -2782,11 +2766,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -2799,11 +2779,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3171,11 +3147,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3188,11 +3160,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3437,11 +3405,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3454,11 +3418,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3631,11 +3591,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -4009,10 +3965,8 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4082,10 +4036,8 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4338,10 +4290,8 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4414,10 +4364,8 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4465,10 +4413,8 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -4503,7 +4449,6 @@
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
-$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl
===================================================================
--- trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl  2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/converters_tests/top_in_ref_keep_top.pl  2017-10-25 
20:23:05 UTC (rev 7971)
@@ -1104,11 +1104,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1121,11 +1117,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1466,11 +1458,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1483,11 +1471,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -2782,11 +2766,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -2799,11 +2779,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3171,11 +3147,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3188,11 +3160,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3437,11 +3405,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3454,11 +3418,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -3631,11 +3591,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -4009,10 +3965,8 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4082,10 +4036,8 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[1]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4338,10 +4290,8 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[38]{'args'}[1]{'contents'}[0];
@@ -4414,10 +4364,8 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[3]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[4]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[3]{'contents'}[50]{'args'}[2]{'contents'}[0];
@@ -4465,10 +4413,8 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -4503,7 +4449,6 @@
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
-$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'top_in_ref_keep_top'}{'contents'}[1]{'contents'}[5]{'contents'}[10]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/coverage/block_commands.pl
===================================================================
--- trunk/tp/t/results/coverage/block_commands.pl       2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage/block_commands.pl       2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -233,11 +233,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'block_line_arg'
@@ -440,7 +436,6 @@
 $result_trees{'block_commands'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'block_commands'}{'contents'}[5];
 
$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1];
 
$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1];
-$result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'args'}[1];
 $result_trees{'block_commands'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'block_commands'}{'contents'}[5];
 
$result_trees{'block_commands'}{'contents'}[5]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'block_commands'}{'contents'}[5]{'contents'}[0];
 $result_trees{'block_commands'}{'contents'}[5]{'contents'}[0]{'parent'} = 
$result_trees{'block_commands'}{'contents'}[5];

Modified: trunk/tp/t/results/coverage/commands.pl
===================================================================
--- trunk/tp/t/results/coverage/commands.pl     2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/coverage/commands.pl     2017-10-25 20:23:05 UTC (rev 
7971)
@@ -224,11 +224,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -498,7 +494,6 @@
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0];
 $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'parent'} 
= $result_trees{'commands'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1];
-$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1];
 $result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'parent'} 
= $result_trees{'commands'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'commands'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/coverage/def.pl
===================================================================
--- trunk/tp/t/results/coverage/def.pl  2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage/def.pl  2017-10-25 20:23:05 UTC (rev 7971)
@@ -793,11 +793,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -2087,7 +2083,6 @@
 
$result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0];
 
$result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0];
 
$result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[2];
-$result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[2];
 
$result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0];
 
$result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0];
 
$result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'def'}{'contents'}[5]{'contents'}[3]{'args'}[0]{'contents'}[2]{'line_nr'};

Modified: trunk/tp/t/results/coverage/math.pl
===================================================================
--- trunk/tp/t/results/coverage/math.pl 2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage/math.pl 2017-10-25 20:23:05 UTC (rev 7971)
@@ -295,11 +295,7 @@
           'cmdname' => 'math',
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'line_nr' => {},
           'parent' => {}
@@ -476,7 +472,6 @@
 
$result_trees{'math'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'math'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'math'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'math'}{'contents'}[4]{'contents'}[1]{'args'}[0];
 $result_trees{'math'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'math'}{'contents'}[4]{'contents'}[1];
-$result_trees{'math'}{'contents'}[4]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'math'}{'contents'}[4]{'contents'}[1]{'args'}[0];
 $result_trees{'math'}{'contents'}[4]{'contents'}[1]{'line_nr'} = 
$result_trees{'math'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 $result_trees{'math'}{'contents'}[4]{'contents'}[1]{'parent'} = 
$result_trees{'math'}{'contents'}[4];
 $result_trees{'math'}{'contents'}[4]{'contents'}[2]{'parent'} = 
$result_trees{'math'}{'contents'}[4];

Modified: trunk/tp/t/results/coverage/punctuation_in_line_commands.pl
===================================================================
--- trunk/tp/t/results/coverage/punctuation_in_line_commands.pl 2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage/punctuation_in_line_commands.pl 2017-10-25 
20:23:05 UTC (rev 7971)
@@ -432,11 +432,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -605,11 +601,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -1158,7 +1150,6 @@
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1];
-$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[5];
@@ -1192,7 +1183,6 @@
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1];
-$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'contents'}[0];
 
$result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'parent'}
 = $result_trees{'punctuation_in_line_commands'}{'contents'}[2]{'contents'}[7];

Modified: trunk/tp/t/results/coverage_braces/abbr_acronym.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/abbr_acronym.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage_braces/abbr_acronym.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -288,11 +288,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -460,7 +456,6 @@
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1];
-$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'abbr_acronym'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/empty_images.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_images.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage_braces/empty_images.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -45,11 +45,7 @@
         {
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -248,7 +244,6 @@
 $result_trees{'empty_images'}{'contents'}[0]{'parent'} = 
$result_trees{'empty_images'};
 $result_trees{'empty_images'}{'contents'}[1]{'parent'} = 
$result_trees{'empty_images'};
 $result_trees{'empty_images'}{'contents'}[2]{'parent'} = 
$result_trees{'empty_images'};
-$result_trees{'empty_images'}{'contents'}[3]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_images'}{'contents'}[3]{'args'}[0];
 $result_trees{'empty_images'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'empty_images'}{'contents'}[3];
 
$result_trees{'empty_images'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_images'}{'contents'}[3]{'args'}[1];
 $result_trees{'empty_images'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'empty_images'}{'contents'}[3];

Modified: trunk/tp/t/results/coverage_braces/empty_ref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_ref.pl     2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage_braces/empty_ref.pl     2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -87,11 +87,7 @@
             {
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -121,11 +117,7 @@
             {
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -138,11 +130,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -189,16 +177,13 @@
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'line_nr'} = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[0]{'line_nr'};
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
-$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'args'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'line_nr'} = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[0]{'line_nr'};
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[4]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[6]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];
-$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[0]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7];
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1];
-$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'parent'} 
= $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7];
 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0];
 $result_trees{'empty_ref'}{'contents'}[1]{'contents'}[7]{'parent'} = 
$result_trees{'empty_ref'}{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl   
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/empty_second_email_argument.pl   
2017-10-25 20:23:05 UTC (rev 7971)
@@ -27,11 +27,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -39,11 +35,7 @@
             {
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -78,9 +70,7 @@
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];
-$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0];
-$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'empty_second_email_argument'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/footnote_ending_on_empty_line.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/footnote_ending_on_empty_line.pl 
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/footnote_ending_on_empty_line.pl 
2017-10-25 20:23:05 UTC (rev 7971)
@@ -42,11 +42,7 @@
           'cmdname' => 'footnote',
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'line_nr' => {
             'file_name' => '',
@@ -67,7 +63,6 @@
 
$result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'contents'}[1];
-$result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'footnote_ending_on_empty_line'}{'contents'}[0];
 $result_trees{'footnote_ending_on_empty_line'}{'contents'}[0]{'parent'} = 
$result_trees{'footnote_ending_on_empty_line'};
 

Modified: trunk/tp/t/results/coverage_braces/footnote_not_closed.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/footnote_not_closed.pl   2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/footnote_not_closed.pl   2017-10-25 
20:23:05 UTC (rev 7971)
@@ -53,11 +53,7 @@
           'cmdname' => 'footnote',
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'line_nr' => {
             'file_name' => '',
@@ -80,7 +76,6 @@
 
$result_trees{'footnote_not_closed'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_not_closed'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2];
 
$result_trees{'footnote_not_closed'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'footnote_not_closed'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'footnote_not_closed'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'footnote_not_closed'}{'contents'}[0]{'contents'}[1];
-$result_trees{'footnote_not_closed'}{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'footnote_not_closed'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'footnote_not_closed'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'footnote_not_closed'}{'contents'}[0];
 $result_trees{'footnote_not_closed'}{'contents'}[0]{'parent'} = 
$result_trees{'footnote_not_closed'};
 

Modified: trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl   
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/form_feed_in_brace_commands.pl   
2017-10-25 20:23:05 UTC (rev 7971)
@@ -94,11 +94,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => '',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ''
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -111,11 +107,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => '  ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => '  '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -168,12 +160,8 @@
           'cmdname' => 'footnote',
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' 
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' 
+'
           },
           'line_nr' => {},
           'parent' => {}
@@ -219,11 +207,7 @@
           'cmdname' => 'footnote',
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => '  ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => '  '
           },
           'line_nr' => {
             'file_name' => '',
@@ -259,10 +243,8 @@
 $result_trees{'form_feed_in_brace_commands'}{'contents'}[1]{'parent'} = 
$result_trees{'form_feed_in_brace_commands'};
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1];
-$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -273,7 +255,6 @@
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2];
-$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2];
@@ -283,7 +264,6 @@
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[4]{'args'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[4]{'args'}[0]{'contents'}[2];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[4]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[4]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[4];
-$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[4]{'args'}[0];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[4]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2];
 
$result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'contents'}[5]{'parent'}
 = $result_trees{'form_feed_in_brace_commands'}{'contents'}[2];
 $result_trees{'form_feed_in_brace_commands'}{'contents'}[2]{'parent'} = 
$result_trees{'form_feed_in_brace_commands'};

Modified: trunk/tp/t/results/coverage_braces/heading_in_footnote.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/heading_in_footnote.pl   2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/heading_in_footnote.pl   2017-10-25 
20:23:05 UTC (rev 7971)
@@ -142,12 +142,8 @@
           'cmdname' => 'footnote',
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => '
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => '
+'
           },
           'line_nr' => {
             'file_name' => '',
@@ -193,7 +189,6 @@
 
$result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3];
 
$result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[1];
-$result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'heading_in_footnote'}{'contents'}[0];
 $result_trees{'heading_in_footnote'}{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'heading_in_footnote'}{'contents'}[0];
 $result_trees{'heading_in_footnote'}{'contents'}[0]{'parent'} = 
$result_trees{'heading_in_footnote'};

Modified: trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl 2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/inforef_too_much_args.pl 2017-10-25 
20:23:05 UTC (rev 7971)
@@ -69,11 +69,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -86,11 +82,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -166,10 +158,8 @@
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inforef_too_much_args'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/nested_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/nested_args.pl   2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage_braces/nested_args.pl   2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -73,11 +73,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -112,11 +108,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -147,12 +139,8 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' 
-',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' 
+'
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -213,7 +201,6 @@
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'line_nr'};
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'args'}[0];
@@ -221,12 +208,10 @@
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'line_nr'};
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
-$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3];
-$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'nested_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'nested_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/coverage_braces/nested_in_sc.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/nested_in_sc.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage_braces/nested_in_sc.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -160,11 +160,7 @@
                                 }
                               ],
                               'extra' => {
-                                'spaces_before_argument' => {
-                                  'parent' => {},
-                                  'text' => ' ',
-                                  'type' => 'empty_spaces_before_argument'
-                                }
+                                'spaces_before_argument' => ' '
                               },
                               'parent' => {},
                               'type' => 'brace_command_arg'
@@ -275,7 +271,6 @@
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1];
-$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'parent'}
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[0]{'contents'}[0];
 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'nested_in_sc'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[11]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/recursive_acronym.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/recursive_acronym.pl     2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/recursive_acronym.pl     2017-10-25 
20:23:05 UTC (rev 7971)
@@ -59,11 +59,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -104,7 +100,6 @@
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'recursive_acronym'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/ref_empty_node.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/ref_empty_node.pl        2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/ref_empty_node.pl        2017-10-25 
20:23:05 UTC (rev 7971)
@@ -86,11 +86,7 @@
             {
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -103,11 +99,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -180,11 +172,7 @@
             {
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -197,11 +185,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -214,11 +198,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -231,11 +211,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -248,11 +224,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -308,10 +280,8 @@
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
-$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4];
-$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[4][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'args'}[4]{'contents'}[0];
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[2]{'line_nr'} = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'line_nr'};
@@ -325,19 +295,14 @@
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'line_nr'} = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[0]{'line_nr'};
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[4]{'parent'} = 
$result_trees{'ref_empty_node'}{'contents'}[1];
 $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[5]{'parent'} = 
$result_trees{'ref_empty_node'}{'contents'}[1];
-$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1];
-$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2];
-$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3];
-$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[3]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4];
-$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[4]{'parent'}
 = $result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];
 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'ref_empty_node'}{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/space_in_anchor.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/space_in_anchor.pl       2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/space_in_anchor.pl       2017-10-25 
20:23:05 UTC (rev 7971)
@@ -22,11 +22,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => '   ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => '   '
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -68,7 +64,6 @@
 };
 
$result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0];
-$result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0];
 $result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'space_in_anchor'}{'contents'}[0];
 
$result_trees{'space_in_anchor'}{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = $result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[0];
 $result_trees{'space_in_anchor'}{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'space_in_anchor'}{'contents'}[0]{'args'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/space_in_footnote.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/space_in_footnote.pl     2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/space_in_footnote.pl     2017-10-25 
20:23:05 UTC (rev 7971)
@@ -35,11 +35,7 @@
           'cmdname' => 'footnote',
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'line_nr' => {
             'file_name' => '',
@@ -59,7 +55,6 @@
 
$result_trees{'space_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'space_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'space_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'space_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'space_in_footnote'}{'contents'}[0]{'contents'}[1];
-$result_trees{'space_in_footnote'}{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'space_in_footnote'}{'contents'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'space_in_footnote'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'space_in_footnote'}{'contents'}[0];
 $result_trees{'space_in_footnote'}{'contents'}[0]{'parent'} = 
$result_trees{'space_in_footnote'};
 

Modified: trunk/tp/t/results/coverage_braces/space_in_image.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/space_in_image.pl        2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/coverage_braces/space_in_image.pl        2017-10-25 
20:23:05 UTC (rev 7971)
@@ -22,11 +22,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -49,11 +45,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -138,11 +130,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -173,12 +161,10 @@
 };
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0];
-$result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0];
 $result_trees{'space_in_image'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[1];
 $result_trees{'space_in_image'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2];
-$result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2];
 $result_trees{'space_in_image'}{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[0];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[3];
 
$result_trees{'space_in_image'}{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[0]{'args'}[3];
@@ -195,7 +181,6 @@
 $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'space_in_image'}{'contents'}[1];
 
$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 $result_trees{'space_in_image'}{'contents'}[1]{'contents'}[1]{'line_nr'} = 
$result_trees{'space_in_image'}{'contents'}[0]{'line_nr'};

Modified: trunk/tp/t/results/coverage_braces/test_image.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/test_image.pl    2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage_braces/test_image.pl    2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -410,11 +410,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'brace_command_arg'
@@ -533,11 +529,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'brace_command_arg'
@@ -1087,11 +1079,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1210,11 +1198,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1715,11 +1699,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'brace_command_arg'
@@ -1838,11 +1818,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'brace_command_arg'
@@ -2069,11 +2045,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -2399,11 +2371,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'brace_command_arg'
@@ -2522,11 +2490,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'brace_command_arg'
@@ -2988,11 +2952,7 @@
                                 }
                               ],
                               'extra' => {
-                                'spaces_before_argument' => {
-                                  'parent' => {},
-                                  'text' => ' ',
-                                  'type' => 'empty_spaces_before_argument'
-                                }
+                                'spaces_before_argument' => ' '
                               },
                               'parent' => {},
                               'type' => 'brace_command_arg'
@@ -3111,11 +3071,7 @@
                                 }
                               ],
                               'extra' => {
-                                'spaces_before_argument' => {
-                                  'parent' => {},
-                                  'text' => ' ',
-                                  'type' => 'empty_spaces_before_argument'
-                                }
+                                'spaces_before_argument' => ' '
                               },
                               'parent' => {},
                               'type' => 'brace_command_arg'
@@ -3514,7 +3470,6 @@
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2];
-$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -3540,7 +3495,6 @@
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[6]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
-$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[0]{'contents'}[3]{'contents'}[3]{'contents'}[1]{'args'}[4];
@@ -3689,7 +3643,6 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2];
-$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -3715,7 +3668,6 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[6]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
-$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[4]{'contents'}[1]{'args'}[4];
@@ -3853,7 +3805,6 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2];
-$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -3879,7 +3830,6 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[6]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
-$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[10]{'contents'}[1]{'contents'}[4]{'args'}[4];
@@ -3949,7 +3899,6 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[0]{'parent'} 
= $result_trees{'test_image'}{'contents'}[1]{'contents'}[12];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1];
-$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'args'}[1]{'parent'} 
= $result_trees{'test_image'}{'contents'}[1]{'contents'}[12];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[0]{'args'}[0];
@@ -4029,7 +3978,6 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2];
-$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -4055,7 +4003,6 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[6]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
-$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[3]{'contents'}[1]{'args'}[4];
@@ -4186,7 +4133,6 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2];
-$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
@@ -4212,7 +4158,6 @@
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[10]{'line_nr'};
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[6]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'contents'}[7]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
-$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4];
 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'test_image'}{'contents'}[1]{'contents'}[12]{'contents'}[5]{'args'}[0]{'contents'}[3]{'contents'}[1]{'args'}[4];

Modified: trunk/tp/t/results/coverage_braces/too_much_args.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/too_much_args.pl 2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage_braces/too_much_args.pl 2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -29,11 +29,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -68,7 +64,6 @@
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'too_much_args'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/uref_in_ref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/uref_in_ref.pl   2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage_braces/uref_in_ref.pl   2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -71,11 +71,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -126,11 +122,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -181,11 +173,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -236,11 +224,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -310,7 +294,6 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'args'}[0];
@@ -321,7 +304,6 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2];
-$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[0];
@@ -332,7 +314,6 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3];
-$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[1]{'args'}[0];
@@ -343,7 +324,6 @@
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'};
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4];
-$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[4]{'parent'} 
= $result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'uref_in_ref'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/coverage_braces/verb_in_xref.pl
===================================================================
--- trunk/tp/t/results/coverage_braces/verb_in_xref.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/coverage_braces/verb_in_xref.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -110,11 +110,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -190,7 +186,6 @@
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'verb_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/def/empty_def_arguments.pl
===================================================================
--- trunk/tp/t/results/def/empty_def_arguments.pl       2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/def/empty_def_arguments.pl       2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -442,11 +442,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'line_nr' => {},
                   'parent' => {},
@@ -725,7 +721,6 @@
 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0];
 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0];
-$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[2];
 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[2]{'line_nr'}
 = 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0];
 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'empty_def_arguments'}{'contents'}[0]{'contents'}[6]{'args'}[0];

Modified: trunk/tp/t/results/def/end_of_lines_protected_in_footnote.pl
===================================================================
--- trunk/tp/t/results/def/end_of_lines_protected_in_footnote.pl        
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/def/end_of_lines_protected_in_footnote.pl        
2017-10-25 20:23:05 UTC (rev 7971)
@@ -327,12 +327,8 @@
           'cmdname' => 'footnote',
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => '
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => '
+'
           },
           'line_nr' => {
             'file_name' => '',
@@ -393,7 +389,6 @@
 
$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[0];
-$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0];
 
$result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0];
 $result_trees{'end_of_lines_protected_in_footnote'}{'contents'}[0]{'parent'} = 
$result_trees{'end_of_lines_protected_in_footnote'};

Modified: trunk/tp/t/results/def/inter_item_commands_in_def.pl
===================================================================
--- trunk/tp/t/results/def/inter_item_commands_in_def.pl        2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/def/inter_item_commands_in_def.pl        2017-10-25 
20:23:05 UTC (rev 7971)
@@ -184,11 +184,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -626,7 +622,6 @@
 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2];
-$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2];
 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'inter_item_commands_in_def'}{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[2]{'line_nr'};

Modified: trunk/tp/t/results/def/inter_item_commands_in_def_in_example.pl
===================================================================
--- trunk/tp/t/results/def/inter_item_commands_in_def_in_example.pl     
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/def/inter_item_commands_in_def_in_example.pl     
2017-10-25 20:23:05 UTC (rev 7971)
@@ -202,11 +202,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'line_nr' => {
                         'file_name' => '',
@@ -706,7 +702,6 @@
 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2];
-$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2];
 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[4]{'line_nr'}
 = 
$result_trees{'inter_item_commands_in_def_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2]{'line_nr'};

Modified: trunk/tp/t/results/def/leading_space_in_def_arg.pl
===================================================================
--- trunk/tp/t/results/def/leading_space_in_def_arg.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/def/leading_space_in_def_arg.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -34,11 +34,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -173,7 +169,6 @@
 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
-$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'leading_space_in_def_arg'}{'contents'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/def/space_in_def_for_index.pl
===================================================================
--- trunk/tp/t/results/def/space_in_def_for_index.pl    2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/def/space_in_def_for_index.pl    2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -75,11 +75,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'line_nr' => {
                         'file_name' => '',
@@ -106,11 +102,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'line_nr' => {},
                       'parent' => {},
@@ -133,11 +125,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'line_nr' => {},
                       'parent' => {},
@@ -465,18 +453,15 @@
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
-$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3];
-$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5];
-$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[5]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[6]{'parent'}
 = 
$result_trees{'space_in_def_for_index'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/def/wrong_braces_simple.pl
===================================================================
--- trunk/tp/t/results/def/wrong_braces_simple.pl       2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/def/wrong_braces_simple.pl       2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -391,12 +391,8 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => '
-',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => '
+'
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -597,11 +593,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -1154,12 +1146,8 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => '
-',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => '
+'
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -1304,11 +1292,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -1524,7 +1508,6 @@
 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'wrong_braces_simple'}{'contents'}[4];
 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0];
-$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'extra'}{'def_args'}[10][1]
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[2];
@@ -1553,7 +1536,6 @@
 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2];
-$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'extra'}{'def_args'}[10][1]
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[6]{'contents'}[0]{'args'}[0]{'contents'}[2];
@@ -1612,7 +1594,6 @@
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0];
-$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0]{'contents'}[2];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'extra'}{'def_args'}[10][1]
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[3]{'args'}[0]{'contents'}[2];
@@ -1629,7 +1610,6 @@
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'contents'}[2];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'contents'}[2];
-$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'contents'}[2];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4];
 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'extra'}{'def_args'}[10][1]
 = 
$result_trees{'wrong_braces_simple'}{'contents'}[8]{'contents'}[4]{'args'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/def/wrong_braces_with_end_of_lines.pl
===================================================================
--- trunk/tp/t/results/def/wrong_braces_with_end_of_lines.pl    2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/def/wrong_braces_with_end_of_lines.pl    2017-10-25 
20:23:05 UTC (rev 7971)
@@ -40,11 +40,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => '   ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => '   '
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -409,7 +405,6 @@
 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
-$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];
 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'extra'}{'def_args'}[6][1]
 = 
$result_trees{'wrong_braces_with_end_of_lines'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/float/anchor_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/anchor_in_caption.pl       2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/float/anchor_in_caption.pl       2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -131,11 +131,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -338,7 +334,6 @@
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0];
 
$result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'anchor_in_caption'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/cindex_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/cindex_in_caption.pl       2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/float/cindex_in_caption.pl       2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -131,11 +131,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -417,7 +413,6 @@
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0];
 
$result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'cindex_in_caption'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/comment_space_comand_in_float.pl
===================================================================
--- trunk/tp/t/results/float/comment_space_comand_in_float.pl   2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/float/comment_space_comand_in_float.pl   2017-10-25 
20:23:05 UTC (rev 7971)
@@ -101,11 +101,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -307,7 +303,6 @@
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'comment_space_comand_in_float'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/float/complex_float.pl
===================================================================
--- trunk/tp/t/results/float/complex_float.pl   2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/float/complex_float.pl   2017-10-25 20:23:05 UTC (rev 
7971)
@@ -330,11 +330,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -2330,11 +2326,7 @@
               'contents' => [],
               'extra' => {
                 'float' => {},
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'line_nr' => {},
               'parent' => {}
@@ -2821,11 +2813,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -4041,11 +4029,7 @@
               'contents' => [],
               'extra' => {
                 'float' => {},
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'line_nr' => {},
               'parent' => {}
@@ -4272,7 +4256,6 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1];
-$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'args'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[0]{'contents'}[1];
@@ -4662,7 +4645,6 @@
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[18]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'extra'}{'float'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7];
-$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'line_nr'}
 = 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'args'}[0]{'contents'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[16]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7];
 
$result_trees{'complex_float'}{'contents'}[2]{'contents'}[7]{'contents'}[17]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[2]{'contents'}[7];
@@ -4765,7 +4747,6 @@
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1];
-$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
@@ -5002,7 +4983,6 @@
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[18]{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'extra'}{'float'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];
-$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'complex_float'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'complex_float'}{'contents'}[4]{'contents'}[1];
@@ -5343,10 +5323,7 @@
           'cmdname' => 'caption',
           'extra' => {
             'float' => {},
-            'spaces_before_argument' => {
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           }
         },
         'end_command' => {
@@ -5387,10 +5364,7 @@
           'cmdname' => 'caption',
           'extra' => {
             'float' => {},
-            'spaces_before_argument' => {
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           }
         },
         'end_command' => {

Modified: trunk/tp/t/results/float/empty_listoffloats_with_floats.pl
===================================================================
--- trunk/tp/t/results/float/empty_listoffloats_with_floats.pl  2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/float/empty_listoffloats_with_floats.pl  2017-10-25 
20:23:05 UTC (rev 7971)
@@ -43,11 +43,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'block_line_arg'
@@ -169,11 +165,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'block_line_arg'
@@ -552,7 +544,6 @@
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1];
-$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[1];
@@ -575,7 +566,6 @@
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1];
-$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'contents'}[0];
 
$result_trees{'empty_listoffloats_with_floats'}{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'empty_listoffloats_with_floats'}{'contents'}[3];

Modified: trunk/tp/t/results/float/float_copying.pl
===================================================================
--- trunk/tp/t/results/float/float_copying.pl   2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/float/float_copying.pl   2017-10-25 20:23:05 UTC (rev 
7971)
@@ -61,11 +61,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'block_line_arg'
@@ -401,12 +397,8 @@
                               'cmdname' => 'footnote',
                               'contents' => [],
                               'extra' => {
-                                'spaces_before_argument' => {
-                                  'parent' => {},
-                                  'text' => '
-',
-                                  'type' => 'empty_spaces_before_argument'
-                                }
+                                'spaces_before_argument' => '
+'
                               },
                               'line_nr' => {
                                 'file_name' => '',
@@ -1212,7 +1204,6 @@
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1];
@@ -1274,7 +1265,6 @@
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[5]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[6]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1];
-$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_copying'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0];

Modified: trunk/tp/t/results/float/float_with_at_commands.pl
===================================================================
--- trunk/tp/t/results/float/float_with_at_commands.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/float/float_with_at_commands.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -111,11 +111,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'block_line_arg'
@@ -458,7 +454,6 @@
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1];
-$result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1];
 $result_trees{'float_with_at_commands'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'float_with_at_commands'}{'contents'}[0];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'float_with_at_commands'}{'contents'}[0];
 
$result_trees{'float_with_at_commands'}{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'float_with_at_commands'}{'contents'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/float/footnote_in_caption.pl
===================================================================
--- trunk/tp/t/results/float/footnote_in_caption.pl     2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/float/footnote_in_caption.pl     2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -131,11 +131,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -333,7 +329,6 @@
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0];
 
$result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'footnote_in_caption'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/footnote_in_caption_and_error.pl
===================================================================
--- trunk/tp/t/results/float/footnote_in_caption_and_error.pl   2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/float/footnote_in_caption_and_error.pl   2017-10-25 
20:23:05 UTC (rev 7971)
@@ -131,11 +131,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -339,7 +335,6 @@
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'contents'}[0];
 
$result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'footnote_in_caption_and_error'}{'contents'}[1]{'contents'}[3];

Modified: trunk/tp/t/results/float/numbering_captions_listoffloats.pl
===================================================================
--- trunk/tp/t/results/float/numbering_captions_listoffloats.pl 2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/float/numbering_captions_listoffloats.pl 2017-10-25 
20:23:05 UTC (rev 7971)
@@ -130,11 +130,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -188,11 +184,7 @@
               'contents' => [],
               'extra' => {
                 'float' => {},
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'line_nr' => {},
               'parent' => {}
@@ -1347,11 +1339,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -2018,11 +2006,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -2197,11 +2181,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -2249,11 +2229,7 @@
               'contents' => [],
               'extra' => {
                 'float' => {},
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'line_nr' => {},
               'parent' => {}
@@ -2425,11 +2401,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -2900,11 +2872,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -3344,11 +3312,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -3714,11 +3678,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -4229,11 +4189,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -4660,11 +4616,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -4970,11 +4922,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -5479,11 +5427,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -5931,11 +5875,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -5948,11 +5888,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -6029,11 +5965,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -6046,11 +5978,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -6063,11 +5991,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -6145,11 +6069,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -6162,11 +6082,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -6184,11 +6100,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -6491,7 +6403,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
@@ -6500,7 +6411,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'float'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[1];
@@ -6726,7 +6636,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[2]{'contents'}[17];
@@ -6850,7 +6759,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[1];
@@ -6885,7 +6793,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[1];
@@ -6893,7 +6800,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'float'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[3];
@@ -6930,7 +6836,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[5]{'contents'}[0]{'contents'}[1]{'args'}[0];
@@ -7031,7 +6936,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[4]{'contents'}[9];
@@ -7115,7 +7019,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
@@ -7185,7 +7088,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[8]{'contents'}[2];
@@ -7283,7 +7185,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[10]{'contents'}[2];
@@ -7365,7 +7266,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[12]{'contents'}[2];
@@ -7424,7 +7324,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[14]{'contents'}[1];
@@ -7521,7 +7420,6 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
@@ -7604,10 +7502,8 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -7622,13 +7518,10 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -7643,14 +7536,11 @@
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4];
-$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'numbering_captions_listoffloats'}{'contents'}[18]{'contents'}[7]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -8809,10 +8699,7 @@
           'cmdname' => 'caption',
           'extra' => {
             'float' => {},
-            'spaces_before_argument' => {
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           }
         },
         'end_command' => {
@@ -8913,10 +8800,7 @@
           'cmdname' => 'caption',
           'extra' => {
             'float' => {},
-            'spaces_before_argument' => {
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           }
         },
         'end_command' => {

Modified: trunk/tp/t/results/float/ref_to_float.pl
===================================================================
--- trunk/tp/t/results/float/ref_to_float.pl    2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/float/ref_to_float.pl    2017-10-25 20:23:05 UTC (rev 
7971)
@@ -41,11 +41,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'block_line_arg'
@@ -172,11 +168,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'block_line_arg'
@@ -377,7 +369,6 @@
 $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[0];
 
$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1];
-$result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1];
 $result_trees{'ref_to_float'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[0];
 
$result_trees{'ref_to_float'}{'contents'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[0]{'contents'}[0];
 $result_trees{'ref_to_float'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[0];
@@ -402,7 +393,6 @@
 $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[2];
 
$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1];
-$result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1];
 $result_trees{'ref_to_float'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[2];
 
$result_trees{'ref_to_float'}{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_to_float'}{'contents'}[2]{'contents'}[0];
 $result_trees{'ref_to_float'}{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'ref_to_float'}{'contents'}[2];

Modified: trunk/tp/t/results/float/simple.pl
===================================================================
--- trunk/tp/t/results/float/simple.pl  2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/float/simple.pl  2017-10-25 20:23:05 UTC (rev 7971)
@@ -41,11 +41,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'block_line_arg'
@@ -182,7 +178,6 @@
 $result_trees{'simple'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'simple'}{'contents'}[0];
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[1];
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'simple'}{'contents'}[0]{'args'}[1];
-$result_trees{'simple'}{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'simple'}{'contents'}[0]{'args'}[1];
 $result_trees{'simple'}{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'simple'}{'contents'}[0];
 $result_trees{'simple'}{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'simple'}{'contents'}[0];
 $result_trees{'simple'}{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'simple'}{'contents'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/html_tests/check_htmlxref.pl
===================================================================
--- trunk/tp/t/results/html_tests/check_htmlxref.pl     2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/html_tests/check_htmlxref.pl     2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -47,11 +47,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -64,11 +60,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -87,11 +79,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -199,11 +187,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -216,11 +200,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -233,11 +213,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -298,11 +274,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -315,11 +287,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -332,11 +300,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -623,11 +587,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -673,14 +633,11 @@
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1];
-$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2];
-$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3];
-$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[1];
 $result_trees{'check_htmlxref'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'check_htmlxref'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'check_htmlxref'}{'contents'}[1]{'extra'}{'node_content'};
@@ -699,13 +656,10 @@
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -717,13 +671,10 @@
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2];
-$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'check_htmlxref'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -777,7 +728,6 @@
 $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[3];
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1];
-$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1];
 $result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'check_htmlxref'}{'contents'}[3];
 $result_trees{'check_htmlxref'}{'contents'}[3]{'extra'}{'node_content'}[0] = 
$result_trees{'check_htmlxref'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'check_htmlxref'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'check_htmlxref'}{'contents'}[3]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/html_tests/commands_in_abbr.pl
===================================================================
--- trunk/tp/t/results/html_tests/commands_in_abbr.pl   2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/html_tests/commands_in_abbr.pl   2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -51,11 +51,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -148,11 +144,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -245,7 +237,6 @@
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -263,7 +254,6 @@
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'commands_in_abbr'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/indices/empty_index_entry.pl
===================================================================
--- trunk/tp/t/results/indices/empty_index_entry.pl     2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/indices/empty_index_entry.pl     2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -79,11 +79,7 @@
                     {
                       'contents' => [],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'line_nr' => {},
                       'parent' => {},
@@ -259,7 +255,6 @@
 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'empty_index_entry'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];

Modified: 
trunk/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl
===================================================================
--- trunk/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl 
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl 
2017-10-25 20:23:05 UTC (rev 7971)
@@ -116,12 +116,8 @@
                   'cmdname' => 'footnote',
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => '
-',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => '
+'
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -656,7 +652,6 @@
 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'printindex_index_entry_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/info_tests/error_in_footnote.pl
===================================================================
--- trunk/tp/t/results/info_tests/error_in_footnote.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/info_tests/error_in_footnote.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -88,11 +88,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -481,7 +477,6 @@
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'error_in_footnote'}{'contents'}[1]{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/float_long_captions.pl
===================================================================
--- trunk/tp/t/results/info_tests/float_long_captions.pl        2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/info_tests/float_long_captions.pl        2017-10-25 
20:23:05 UTC (rev 7971)
@@ -81,11 +81,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -242,11 +238,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -450,7 +442,6 @@
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
@@ -481,7 +472,6 @@
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'float_long_captions'}{'contents'}[1]{'contents'}[3]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl
===================================================================
--- trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl       
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/info_tests/invalid_node_name_no_warning.pl       
2017-10-25 20:23:05 UTC (rev 7971)
@@ -658,11 +658,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -731,11 +727,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -975,7 +967,6 @@
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -991,7 +982,6 @@
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'invalid_node_name_no_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/invalid_node_name_warning.pl
===================================================================
--- trunk/tp/t/results/info_tests/invalid_node_name_warning.pl  2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/info_tests/invalid_node_name_warning.pl  2017-10-25 
20:23:05 UTC (rev 7971)
@@ -658,11 +658,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -731,11 +727,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -975,7 +967,6 @@
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'line_nr'};
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -991,7 +982,6 @@
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][1]
 = 
$result_trees{'invalid_node_name_warning'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/multiline_image_and_align.pl
===================================================================
--- trunk/tp/t/results/info_tests/multiline_image_and_align.pl  2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/info_tests/multiline_image_and_align.pl  2017-10-25 
20:23:05 UTC (rev 7971)
@@ -572,11 +572,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -584,11 +580,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -596,11 +588,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -696,11 +684,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -708,11 +692,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -720,11 +700,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -821,11 +797,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -833,11 +805,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -845,11 +813,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -946,11 +910,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -958,11 +918,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -970,11 +926,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1079,11 +1031,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1091,11 +1039,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1103,11 +1047,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1181,11 +1121,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1193,11 +1129,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1205,11 +1137,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1266,11 +1194,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1278,11 +1202,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1290,11 +1210,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1365,11 +1281,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1377,11 +1289,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1389,11 +1297,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1603,11 +1507,8 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[10]{'args'}[0]{'contents'}[1];
@@ -1626,11 +1527,8 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
-$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
-$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
-$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[12]{'args'}[0]{'contents'}[2];
@@ -1650,11 +1548,8 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
-$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
-$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
-$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[14]{'args'}[0]{'contents'}[2];
@@ -1674,11 +1569,8 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
-$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
-$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
-$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[16]{'args'}[0]{'contents'}[2];
@@ -1700,11 +1592,8 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[1]{'contents'}[1];
@@ -1717,11 +1606,8 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[1];
@@ -1731,11 +1617,8 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[3]{'contents'}[3];
@@ -1749,11 +1632,8 @@
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[0]{'parent'}
 = $result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
-$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[4];
 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1]{'args'}[4]{'parent'}
 = 
$result_trees{'multiline_image_and_align'}{'contents'}[18]{'contents'}[5]{'contents'}[1];

Modified: trunk/tp/t/results/info_tests/pxref_test.pl
===================================================================
--- trunk/tp/t/results/info_tests/pxref_test.pl 2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/info_tests/pxref_test.pl 2017-10-25 20:23:05 UTC (rev 
7971)
@@ -120,11 +120,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -231,11 +227,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -321,7 +313,6 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
@@ -340,7 +331,6 @@
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1];
-$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'parent'}
 = $result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0];
 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'pxref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/info_tests/ref_tests.pl
===================================================================
--- trunk/tp/t/results/info_tests/ref_tests.pl  2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/info_tests/ref_tests.pl  2017-10-25 20:23:05 UTC (rev 
7971)
@@ -252,11 +252,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -320,11 +316,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -392,11 +384,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -470,11 +458,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -590,7 +574,6 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1];
-$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -601,7 +584,6 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1];
-$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -612,7 +594,6 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -626,7 +607,6 @@
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1];
-$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ref_tests'}{'contents'}[1]{'contents'}[4]{'contents'}[6]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/info_tests/xref_test.pl
===================================================================
--- trunk/tp/t/results/info_tests/xref_test.pl  2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/info_tests/xref_test.pl  2017-10-25 20:23:05 UTC (rev 
7971)
@@ -229,11 +229,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -389,7 +385,6 @@
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
-$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'xref_test'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/float_in_style_command.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/float_in_style_command.pl       
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/invalid_nestings/float_in_style_command.pl       
2017-10-25 20:23:05 UTC (rev 7971)
@@ -70,11 +70,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'block_line_arg'
@@ -216,7 +212,6 @@
 $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'float_in_style_command'}{'contents'}[1];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1];
-$result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1];
 $result_trees{'float_in_style_command'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'float_in_style_command'}{'contents'}[1];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'float_in_style_command'}{'contents'}[1]{'contents'}[0];
 
$result_trees{'float_in_style_command'}{'contents'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'float_in_style_command'}{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl      2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/invalid_nestings/footnote_in_ref.pl      2017-10-25 
20:23:05 UTC (rev 7971)
@@ -121,11 +121,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -189,7 +185,6 @@
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'footnote_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'line_nr'};

Modified: trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl       2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/invalid_nestings/ignore_in_xref.pl       2017-10-25 
20:23:05 UTC (rev 7971)
@@ -109,12 +109,8 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => '
-',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => '
+'
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -197,7 +193,6 @@
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'extra'}{'command'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'ignore_in_xref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/invalid_nestings/in_errormsg.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/in_errormsg.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/invalid_nestings/in_errormsg.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -173,12 +173,8 @@
         {
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => '
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => '
+'
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -371,7 +367,6 @@
 $result_trees{'in_errormsg'}{'contents'}[3]{'contents'}[2]{'parent'} = 
$result_trees{'in_errormsg'}{'contents'}[3];
 $result_trees{'in_errormsg'}{'contents'}[3]{'parent'} = 
$result_trees{'in_errormsg'};
 $result_trees{'in_errormsg'}{'contents'}[4]{'parent'} = 
$result_trees{'in_errormsg'};
-$result_trees{'in_errormsg'}{'contents'}[5]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'in_errormsg'}{'contents'}[5]{'args'}[0];
 $result_trees{'in_errormsg'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'in_errormsg'}{'contents'}[5];
 $result_trees{'in_errormsg'}{'contents'}[5]{'parent'} = 
$result_trees{'in_errormsg'};
 
$result_trees{'in_errormsg'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'in_errormsg'}{'contents'}[6];

Modified: trunk/tp/t/results/invalid_nestings/in_table.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/in_table.pl     2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/invalid_nestings/in_table.pl     2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -473,11 +473,7 @@
                                     }
                                   ],
                                   'extra' => {
-                                    'spaces_before_argument' => {
-                                      'parent' => {},
-                                      'text' => ' ',
-                                      'type' => 'empty_spaces_before_argument'
-                                    }
+                                    'spaces_before_argument' => ' '
                                   },
                                   'parent' => {},
                                   'type' => 'brace_command_arg'
@@ -1379,7 +1375,6 @@
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'in_table'}{'contents'}[1]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/invalid_nestings/item_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/item_in_ref.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/invalid_nestings/item_in_ref.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -139,11 +139,7 @@
                             }
                           ],
                           'extra' => {
-                            'spaces_before_argument' => {
-                              'parent' => {},
-                              'text' => ' ',
-                              'type' => 'empty_spaces_before_argument'
-                            }
+                            'spaces_before_argument' => ' '
                           },
                           'parent' => {},
                           'type' => 'brace_command_arg'
@@ -311,7 +307,6 @@
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2];
-$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'item_in_ref'}{'contents'}[0]{'contents'}[0]{'contents'}[1]{'contents'}[2];

Modified: trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl     
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/invalid_nestings/node_on_index_entry_line.pl     
2017-10-25 20:23:05 UTC (rev 7971)
@@ -79,11 +79,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -96,11 +92,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -119,11 +111,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -227,14 +215,11 @@
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[0];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1];
-$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[1]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2];
-$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[2]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3];
-$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3];
 $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'args'}[3]{'parent'} 
= $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1];
 
$result_trees{'node_on_index_entry_line'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_on_index_entry_line'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/on_node_line.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/on_node_line.pl 2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/invalid_nestings/on_node_line.pl 2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -44,11 +44,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -61,11 +57,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -78,11 +70,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -275,11 +263,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -324,13 +308,10 @@
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -369,7 +350,6 @@
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[6]{'extra'}{'spaces_after_command'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[6]{'line_nr'}
 = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'contents'}[6]{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1];
-$result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1];
 $result_trees{'on_node_line'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'on_node_line'}{'contents'}[1];
 $result_trees{'on_node_line'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'on_node_line'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'on_node_line'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'on_node_line'}{'contents'}[1]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl     2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/invalid_nestings/quotation_in_ref.pl     2017-10-25 
20:23:05 UTC (rev 7971)
@@ -64,12 +64,8 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => '
-',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => '
+'
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -216,7 +212,6 @@
 $result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'quotation_in_ref'}{'contents'}[1];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
-$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'quotation_in_ref'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/section_in_footnote.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/section_in_footnote.pl  2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/invalid_nestings/section_in_footnote.pl  2017-10-25 
20:23:05 UTC (rev 7971)
@@ -39,12 +39,8 @@
               'cmdname' => 'footnote',
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => '
-',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => '
+'
               },
               'line_nr' => {
                 'file_name' => '',
@@ -112,7 +108,6 @@
 
$result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1];
 $result_trees{'section_in_footnote'}{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'section_in_footnote'}{'contents'}[0];
 $result_trees{'section_in_footnote'}{'contents'}[0]{'parent'} = 
$result_trees{'section_in_footnote'};

Modified: trunk/tp/t/results/invalid_nestings/section_in_math.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/section_in_math.pl      2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/invalid_nestings/section_in_math.pl      2017-10-25 
20:23:05 UTC (rev 7971)
@@ -133,11 +133,7 @@
               'cmdname' => 'math',
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'line_nr' => {
                 'file_name' => '',
@@ -235,7 +231,6 @@
 
$result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1];
 $result_trees{'section_in_math'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'section_in_math'}{'contents'}[1];
 $result_trees{'section_in_math'}{'contents'}[1]{'extra'}{'misc_content'}[0] = 
$result_trees{'section_in_math'}{'contents'}[1]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl
===================================================================
--- trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl      2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/invalid_nestings/verbatim_in_ref.pl      2017-10-25 
20:23:05 UTC (rev 7971)
@@ -64,12 +64,8 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' 
-',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' 
+'
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -183,7 +179,6 @@
 $result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'verbatim_in_ref'}{'contents'}[1];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
-$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'verbatim_in_ref'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/menu/inlineraw_in_menu_description.pl
===================================================================
--- trunk/tp/t/results/menu/inlineraw_in_menu_description.pl    2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/menu/inlineraw_in_menu_description.pl    2017-10-25 
20:23:05 UTC (rev 7971)
@@ -170,11 +170,7 @@
                                 }
                               ],
                               'extra' => {
-                                'spaces_before_argument' => {
-                                  'parent' => {},
-                                  'text' => ' ',
-                                  'type' => 'empty_spaces_before_argument'
-                                }
+                                'spaces_before_argument' => ' '
                               },
                               'parent' => {},
                               'type' => 'brace_command_arg'
@@ -353,7 +349,6 @@
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw_in_menu_description'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl
===================================================================
--- trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl   
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/misc_commands/comment_space_command_on_line.pl   
2017-10-25 20:23:05 UTC (rev 7971)
@@ -513,11 +513,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -819,7 +815,6 @@
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1];
-$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'contents'}[0];
 
$result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'parent'}
 = $result_trees{'comment_space_command_on_line'}{'contents'}[2]{'contents'}[9];

Modified: trunk/tp/t/results/misc_commands/ref_in_center.pl
===================================================================
--- trunk/tp/t/results/misc_commands/ref_in_center.pl   2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/misc_commands/ref_in_center.pl   2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -149,11 +149,7 @@
                     {
                       'contents' => [],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'brace_command_arg'
@@ -263,7 +259,6 @@
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1];
-$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'ref_in_center'}{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/paragraph/commands_in_flushright.pl
===================================================================
--- trunk/tp/t/results/paragraph/commands_in_flushright.pl      2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/paragraph/commands_in_flushright.pl      2017-10-25 
20:23:05 UTC (rev 7971)
@@ -913,11 +913,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -1642,7 +1638,6 @@
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'parent'}
 = $result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1];
-$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'parent'}
 = $result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'contents'}[0]{'parent'}
 = $result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_in_flushright'}{'contents'}[0]{'contents'}[12]{'contents'}[1];

Modified: trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl  
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/plaintext_tests/at_commands_glued_in_example.pl  
2017-10-25 20:23:05 UTC (rev 7971)
@@ -115,11 +115,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -211,11 +207,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -635,7 +627,6 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1];
-$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[10]{'args'}[1]{'contents'}[0];
@@ -651,7 +642,6 @@
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1];
-$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_glued_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[16]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl        
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/plaintext_tests/at_commands_glued_in_paragraph.pl        
2017-10-25 20:23:05 UTC (rev 7971)
@@ -103,11 +103,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -199,11 +195,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -574,7 +566,6 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1];
-$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0];
@@ -590,7 +581,6 @@
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1];
-$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'parent'}
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[0]{'contents'}[0];
 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'at_commands_glued_in_paragraph'}{'contents'}[0]{'contents'}[16]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl      
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/plaintext_tests/lone_braces_in_inlineraw.pl      
2017-10-25 20:23:05 UTC (rev 7971)
@@ -40,11 +40,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -83,7 +79,6 @@
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1];
-$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'lone_braces_in_inlineraw'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl      
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/plaintext_tests/punctuation_abbr_acronym.pl      
2017-10-25 20:23:05 UTC (rev 7971)
@@ -150,11 +150,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -203,11 +199,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -252,11 +244,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -302,11 +290,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -369,7 +353,6 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1];
-$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[8]{'args'}[1]{'contents'}[0];
@@ -378,7 +361,6 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1];
-$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[10]{'args'}[1]{'contents'}[0];
@@ -388,7 +370,6 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1];
-$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[12]{'args'}[1]{'contents'}[0];
@@ -398,7 +379,6 @@
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1];
-$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'parent'}
 = $result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[0]{'contents'}[0];
 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'punctuation_abbr_acronym'}{'contents'}[0]{'contents'}[14]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/plaintext_tests/quote_node_names.pl
===================================================================
--- trunk/tp/t/results/plaintext_tests/quote_node_names.pl      2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/plaintext_tests/quote_node_names.pl      2017-10-25 
20:23:05 UTC (rev 7971)
@@ -109,11 +109,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -218,11 +214,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -291,11 +283,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -400,11 +388,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -473,11 +457,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -582,11 +562,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1644,7 +1620,6 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -1663,7 +1638,6 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -1676,7 +1650,6 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -1695,7 +1668,6 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1];
-$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[3]{'contents'}[2]{'args'}[1]{'contents'}[0];
@@ -1708,7 +1680,6 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1];
-$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -1727,7 +1698,6 @@
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
-$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'quote_node_names'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/raw/inline_in_example.pl
===================================================================
--- trunk/tp/t/results/raw/inline_in_example.pl 2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/raw/inline_in_example.pl 2017-10-25 20:23:05 UTC (rev 
7971)
@@ -77,11 +77,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -137,11 +133,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -243,12 +235,8 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' 
-',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' 
+'
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -354,7 +342,6 @@
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[3];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -367,7 +354,6 @@
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
@@ -384,7 +370,6 @@
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1];
-$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'parent'}
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[0]{'contents'}[0];
 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inline_in_example'}{'contents'}[0]{'contents'}[1]{'contents'}[7]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/raw/inline_missing_first_arg.pl
===================================================================
--- trunk/tp/t/results/raw/inline_missing_first_arg.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/raw/inline_missing_first_arg.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -14,11 +14,7 @@
             {
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -86,7 +82,6 @@
   ],
   'type' => 'text_root'
 };
-$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0];
 
$result_trees{'inline_missing_first_arg'}{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'inline_missing_first_arg'}{'contents'}[0];

Modified: trunk/tp/t/results/raw/inlinefmt.pl
===================================================================
--- trunk/tp/t/results/raw/inlinefmt.pl 2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/raw/inlinefmt.pl 2017-10-25 20:23:05 UTC (rev 7971)
@@ -54,11 +54,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -141,11 +137,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -189,7 +181,6 @@
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'} 
= $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -206,7 +197,6 @@
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'} 
= $result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlinefmt'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl
===================================================================
--- trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl 2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/raw/inlinefmt_with_empty_line.pl 2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -40,11 +40,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -123,11 +119,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -207,7 +199,6 @@
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[0];
@@ -219,7 +210,6 @@
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlinefmt_with_empty_line'}{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlinefmt_with_empty_line'}{'contents'}[1];

Modified: trunk/tp/t/results/raw/inlineraw.pl
===================================================================
--- trunk/tp/t/results/raw/inlineraw.pl 2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/raw/inlineraw.pl 2017-10-25 20:23:05 UTC (rev 7971)
@@ -54,11 +54,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -141,11 +137,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -189,7 +181,6 @@
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'} 
= $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -206,7 +197,6 @@
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'} 
= $result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/raw/inlineraw_with_empty_line.pl
===================================================================
--- trunk/tp/t/results/raw/inlineraw_with_empty_line.pl 2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/raw/inlineraw_with_empty_line.pl 2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -61,11 +61,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -164,11 +160,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -219,7 +211,6 @@
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
@@ -238,7 +229,6 @@
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'inlineraw_with_empty_line'}{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/regions/anchor_in_copying_in_footnote.pl
===================================================================
--- trunk/tp/t/results/regions/anchor_in_copying_in_footnote.pl 2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/regions/anchor_in_copying_in_footnote.pl 2017-10-25 
20:23:05 UTC (rev 7971)
@@ -98,12 +98,8 @@
                   'cmdname' => 'footnote',
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => '
-',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => '
+'
                   },
                   'line_nr' => {
                     'file_name' => '',
@@ -356,7 +352,6 @@
 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2];
 
$result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'anchor_in_copying_in_footnote'}{'contents'}[0]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/a_comma_after_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/a_comma_after_node.pl 2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/sectioning/a_comma_after_node.pl 2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -40,11 +40,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -63,11 +59,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -134,11 +126,9 @@
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[0];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1];
-$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2];
-$result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
 $result_trees{'a_comma_after_node'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'a_comma_after_node'}{'contents'}[1];
 
$result_trees{'a_comma_after_node'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'a_comma_after_node'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl       
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/character_and_spaces_in_node.pl       
2017-10-25 20:23:05 UTC (rev 7971)
@@ -96,11 +96,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -113,11 +109,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -136,11 +128,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -214,11 +202,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -231,11 +215,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -254,11 +234,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -358,11 +334,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -514,14 +486,11 @@
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1];
-$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2];
-$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3];
-$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[2]{'extra'}{'node_content'};
@@ -535,14 +504,11 @@
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1];
-$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2];
-$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3];
-$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[3]{'extra'}{'node_content'};
@@ -561,7 +527,6 @@
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3];
-$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_node'}{'contents'}[4];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_node'}{'contents'}[4]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl
===================================================================
--- trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl       
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/character_and_spaces_in_refs.pl       
2017-10-25 20:23:05 UTC (rev 7971)
@@ -289,11 +289,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -316,11 +312,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -436,11 +428,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -463,11 +451,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -582,11 +566,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -732,11 +712,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'misc_line_arg'
@@ -749,11 +725,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'misc_line_arg'
@@ -772,11 +744,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'misc_line_arg'
@@ -923,11 +891,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'parent' => {},
                       'type' => 'misc_line_arg'
@@ -1009,11 +973,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1057,11 +1017,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => '  ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => '  '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1241,11 +1197,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -1258,11 +1210,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -1281,11 +1229,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -1693,12 +1637,10 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[4]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0];
@@ -1718,12 +1660,10 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0];
@@ -1742,7 +1682,6 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0];
@@ -1768,14 +1707,11 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[1];
@@ -1801,7 +1737,6 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[1];
@@ -1815,7 +1750,6 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'extra'}{'label'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[1];
@@ -1823,7 +1757,6 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[5]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
@@ -1856,14 +1789,11 @@
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_refs'}{'contents'}[3];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_refs'}{'contents'}[3]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl
===================================================================
--- trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl   
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl   
2017-10-25 20:23:05 UTC (rev 7971)
@@ -290,11 +290,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -317,11 +313,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -437,11 +429,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -464,11 +452,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -583,11 +567,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -733,11 +713,7 @@
                           }
                         ],
                         'extra' => {
-                          'spaces_before_argument' => {
-                            'parent' => {},
-                            'text' => ' ',
-                            'type' => 'empty_spaces_before_argument'
-                          }
+                          'spaces_before_argument' => ' '
                         },
                         'parent' => {},
                         'type' => 'misc_line_arg'
@@ -750,11 +726,7 @@
                           }
                         ],
                         'extra' => {
-                          'spaces_before_argument' => {
-                            'parent' => {},
-                            'text' => ' ',
-                            'type' => 'empty_spaces_before_argument'
-                          }
+                          'spaces_before_argument' => ' '
                         },
                         'parent' => {},
                         'type' => 'misc_line_arg'
@@ -773,11 +745,7 @@
                           }
                         ],
                         'extra' => {
-                          'spaces_before_argument' => {
-                            'parent' => {},
-                            'text' => ' ',
-                            'type' => 'empty_spaces_before_argument'
-                          }
+                          'spaces_before_argument' => ' '
                         },
                         'parent' => {},
                         'type' => 'misc_line_arg'
@@ -862,11 +830,7 @@
                                   }
                                 ],
                                 'extra' => {
-                                  'spaces_before_argument' => {
-                                    'parent' => {},
-                                    'text' => ' ',
-                                    'type' => 'empty_spaces_before_argument'
-                                  }
+                                  'spaces_before_argument' => ' '
                                 },
                                 'parent' => {},
                                 'type' => 'misc_line_arg'
@@ -879,11 +843,7 @@
                                   }
                                 ],
                                 'extra' => {
-                                  'spaces_before_argument' => {
-                                    'parent' => {},
-                                    'text' => ' ',
-                                    'type' => 'empty_spaces_before_argument'
-                                  }
+                                  'spaces_before_argument' => ' '
                                 },
                                 'parent' => {},
                                 'type' => 'misc_line_arg'
@@ -902,11 +862,7 @@
                                   }
                                 ],
                                 'extra' => {
-                                  'spaces_before_argument' => {
-                                    'parent' => {},
-                                    'text' => ' ',
-                                    'type' => 'empty_spaces_before_argument'
-                                  }
+                                  'spaces_before_argument' => ' '
                                 },
                                 'parent' => {},
                                 'type' => 'misc_line_arg'
@@ -1355,11 +1311,7 @@
                           }
                         ],
                         'extra' => {
-                          'spaces_before_argument' => {
-                            'parent' => {},
-                            'text' => ' ',
-                            'type' => 'empty_spaces_before_argument'
-                          }
+                          'spaces_before_argument' => ' '
                         },
                         'parent' => {},
                         'type' => 'misc_line_arg'
@@ -1451,11 +1403,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -1499,11 +1447,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => '  ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => '  '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -1741,12 +1685,10 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[4]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0];
@@ -1766,12 +1708,10 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0];
@@ -1790,7 +1730,6 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'brace_command_contents'}[3][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0];
@@ -1816,14 +1755,11 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[1];
@@ -1838,14 +1774,11 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'element_prev'}{'contents'}[0]{'extra'}{'node_content'};
@@ -1929,7 +1862,6 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[1];
@@ -1946,7 +1878,6 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'extra'}{'label'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1];
@@ -1954,7 +1885,6 @@
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[5]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};

Modified: trunk/tp/t/results/sectioning/complex.pl
===================================================================
--- trunk/tp/t/results/sectioning/complex.pl    2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/sectioning/complex.pl    2017-10-25 20:23:05 UTC (rev 
7971)
@@ -2732,11 +2732,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => '  ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => '  '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -2749,11 +2745,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -2772,11 +2764,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -3542,14 +3530,11 @@
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[0];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
 $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
 $result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/complex_split_at_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/complex_split_at_node.pl      2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/complex_split_at_node.pl      2017-10-25 
20:23:05 UTC (rev 7971)
@@ -2742,11 +2742,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => '  ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => '  '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -2759,11 +2755,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -2782,11 +2774,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -3565,14 +3553,11 @@
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
 $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/double_node_anchor_float.pl
===================================================================
--- trunk/tp/t/results/sectioning/double_node_anchor_float.pl   2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/double_node_anchor_float.pl   2017-10-25 
20:23:05 UTC (rev 7971)
@@ -277,11 +277,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -396,11 +392,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -515,11 +507,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -719,7 +707,6 @@
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1];
-$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'contents'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'args'}[0];
@@ -742,7 +729,6 @@
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1];
-$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'contents'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[3]{'contents'}[0]{'args'}[0];
@@ -765,7 +751,6 @@
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1];
-$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'contents'}[0];
 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_node_anchor_float'}{'contents'}[3]{'contents'}[5]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/sectioning/double_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/double_top.pl 2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/sectioning/double_top.pl 2017-10-25 20:23:05 UTC (rev 
7971)
@@ -46,11 +46,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -233,7 +229,6 @@
 $result_trees{'double_top'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'double_top'}{'contents'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'double_top'}{'contents'}[1]{'args'}[1];
-$result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'double_top'}{'contents'}[1]{'args'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'double_top'}{'contents'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'double_top'}{'contents'}[1];
 $result_trees{'double_top'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'double_top'}{'contents'}[1]{'args'}[0]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/double_top_in_menu.pl
===================================================================
--- trunk/tp/t/results/sectioning/double_top_in_menu.pl 2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/sectioning/double_top_in_menu.pl 2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -46,11 +46,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -394,7 +390,6 @@
 $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'double_top_in_menu'}{'contents'}[1];
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1];
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1];
-$result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1];
 $result_trees{'double_top_in_menu'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'double_top_in_menu'}{'contents'}[1];
 
$result_trees{'double_top_in_menu'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_top_in_menu'}{'contents'}[1]{'contents'}[0];
 $result_trees{'double_top_in_menu'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'double_top_in_menu'}{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/email_in_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/email_in_node.pl      2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/sectioning/email_in_node.pl      2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -39,11 +39,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -94,11 +90,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -128,11 +120,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -145,11 +133,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -209,7 +193,6 @@
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0];
@@ -218,7 +201,6 @@
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
@@ -225,10 +207,8 @@
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0];
-$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1];
-$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0];
 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'email_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};

Modified: trunk/tp/t/results/sectioning/empty_anchor.pl
===================================================================
--- trunk/tp/t/results/sectioning/empty_anchor.pl       2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/sectioning/empty_anchor.pl       2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -41,11 +41,7 @@
             {
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => '   ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => '   '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -80,7 +76,6 @@
 $result_trees{'empty_anchor'}{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'empty_anchor'}{'contents'}[0];
 $result_trees{'empty_anchor'}{'contents'}[0]{'parent'} = 
$result_trees{'empty_anchor'};
 $result_trees{'empty_anchor'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'empty_anchor'}{'contents'}[1];
-$result_trees{'empty_anchor'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_anchor'}{'contents'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'empty_anchor'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'empty_anchor'}{'contents'}[1]{'contents'}[1];
 $result_trees{'empty_anchor'}{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'empty_anchor'}{'contents'}[1];
 $result_trees{'empty_anchor'}{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'empty_anchor'}{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/empty_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/empty_node.pl 2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/sectioning/empty_node.pl 2017-10-25 20:23:05 UTC (rev 
7971)
@@ -76,11 +76,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -93,11 +89,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -116,11 +108,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -173,14 +161,11 @@
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[0];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[1];
-$result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[1];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[2];
-$result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[3];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'} 
= $result_trees{'empty_node'}{'contents'}[2]{'args'}[3];
-$result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[3];
 $result_trees{'empty_node'}{'contents'}[2]{'args'}[3]{'parent'} = 
$result_trees{'empty_node'}{'contents'}[2];
 
$result_trees{'empty_node'}{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[1]{'contents'}[0];
 
$result_trees{'empty_node'}{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = $result_trees{'empty_node'}{'contents'}[2]{'args'}[2]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/empty_ref_arg.pl
===================================================================
--- trunk/tp/t/results/sectioning/empty_ref_arg.pl      2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/sectioning/empty_ref_arg.pl      2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -69,11 +69,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -125,11 +121,7 @@
                 {
                   'contents' => [],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -142,11 +134,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -204,11 +192,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -221,11 +205,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -331,11 +311,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -380,11 +356,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -462,7 +434,6 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -472,10 +443,8 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2];
-$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'brace_command_contents'}[2][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'contents'}[0];
@@ -486,10 +455,8 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1];
-$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2];
-$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0];
@@ -507,13 +474,11 @@
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[4];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
-$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
-$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'empty_ref_arg'}{'contents'}[1]{'contents'}[1]{'contents'}[6]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/equivalent_labels.pl
===================================================================
--- trunk/tp/t/results/sectioning/equivalent_labels.pl  2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/sectioning/equivalent_labels.pl  2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -145,11 +145,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -487,7 +483,6 @@
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1];
-$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'contents'}[0];
 
$result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'equivalent_labels'}{'contents'}[1]{'contents'}[4];

Modified: trunk/tp/t/results/sectioning/equivalent_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/equivalent_nodes.pl   2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/sectioning/equivalent_nodes.pl   2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -64,11 +64,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -376,7 +372,6 @@
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1];
-$result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1];
 $result_trees{'equivalent_nodes'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'equivalent_nodes'}{'contents'}[1];
 $result_trees{'equivalent_nodes'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'equivalent_nodes'}{'contents'}[1];
 
$result_trees{'equivalent_nodes'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'equivalent_nodes'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/explicit_node_directions.pl
===================================================================
--- trunk/tp/t/results/sectioning/explicit_node_directions.pl   2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/explicit_node_directions.pl   2017-10-25 
20:23:05 UTC (rev 7971)
@@ -296,11 +296,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -555,7 +551,6 @@
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/sectioning/more_sections_than_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/more_sections_than_nodes.pl   2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/more_sections_than_nodes.pl   2017-10-25 
20:23:05 UTC (rev 7971)
@@ -583,11 +583,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -600,11 +596,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -623,11 +615,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -1496,14 +1484,11 @@
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1];
-$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[1]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2];
-$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[2]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3];
-$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3];
 $result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[3]{'parent'} 
= $result_trees{'more_sections_than_nodes'}{'contents'}[7];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'extra'}{'node_content'}[0]
 = 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'more_sections_than_nodes'}{'contents'}[7]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/next_no_prev_to_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/next_no_prev_to_node.pl       2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/next_no_prev_to_node.pl       2017-10-25 
20:23:05 UTC (rev 7971)
@@ -281,11 +281,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -309,11 +305,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -405,11 +397,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -498,12 +486,10 @@
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1];
-$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[2]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3];
-$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[3]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2];
 $result_trees{'next_no_prev_to_node'}{'contents'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'next_no_prev_to_node'}{'contents'}[2];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'next_no_prev_to_node'}{'contents'}[2]{'args'}[0]{'contents'}[1];
@@ -520,7 +506,6 @@
 $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3];
-$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3];
 $result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[3]{'parent'} = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'next_no_prev_to_node'}{'contents'}[3]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/no_element.pl
===================================================================
--- trunk/tp/t/results/sectioning/no_element.pl 2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/sectioning/no_element.pl 2017-10-25 20:23:05 UTC (rev 
7971)
@@ -441,11 +441,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'block_line_arg'
@@ -852,7 +848,6 @@
 $result_trees{'no_element'}{'contents'}[13]{'args'}[0]{'parent'} = 
$result_trees{'no_element'}{'contents'}[13];
 
$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'no_element'}{'contents'}[13]{'args'}[1];
 
$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'no_element'}{'contents'}[13]{'args'}[1];
-$result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'no_element'}{'contents'}[13]{'args'}[1];
 $result_trees{'no_element'}{'contents'}[13]{'args'}[1]{'parent'} = 
$result_trees{'no_element'}{'contents'}[13];
 
$result_trees{'no_element'}{'contents'}[13]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'no_element'}{'contents'}[13]{'contents'}[0];
 $result_trees{'no_element'}{'contents'}[13]{'contents'}[0]{'parent'} = 
$result_trees{'no_element'}{'contents'}[13];

Modified: trunk/tp/t/results/sectioning/node.pl
===================================================================
--- trunk/tp/t/results/sectioning/node.pl       2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/sectioning/node.pl       2017-10-25 20:23:05 UTC (rev 
7971)
@@ -102,11 +102,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -168,11 +164,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -191,11 +183,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -263,11 +251,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -280,11 +264,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -303,11 +283,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -381,11 +357,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -398,11 +370,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -421,11 +389,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -618,11 +582,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -672,11 +632,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -735,7 +691,6 @@
 $result_trees{'node'}{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[2];
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[1];
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[2]{'args'}[1];
-$result_trees{'node'}{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[2]{'args'}[1];
 $result_trees{'node'}{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[2];
 $result_trees{'node'}{'contents'}[2]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'node'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'node'}{'contents'}[2]{'extra'}{'node_content'};
@@ -747,11 +702,9 @@
 $result_trees{'node'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[0];
 $result_trees{'node'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3];
 $result_trees{'node'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[1];
-$result_trees{'node'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[3]{'args'}[1];
 $result_trees{'node'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[2];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[3]{'args'}[2];
-$result_trees{'node'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[3]{'args'}[2];
 $result_trees{'node'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[3];
 $result_trees{'node'}{'contents'}[3]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'node'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'node'}{'contents'}[3]{'extra'}{'node_content'};
@@ -764,14 +717,11 @@
 $result_trees{'node'}{'contents'}[4]{'args'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[0];
 $result_trees{'node'}{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
 $result_trees{'node'}{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[1];
-$result_trees{'node'}{'contents'}[4]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[4]{'args'}[1];
 $result_trees{'node'}{'contents'}[4]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
 $result_trees{'node'}{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[2];
-$result_trees{'node'}{'contents'}[4]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[4]{'args'}[2];
 $result_trees{'node'}{'contents'}[4]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[3];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[4]{'args'}[3];
-$result_trees{'node'}{'contents'}[4]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[4]{'args'}[3];
 $result_trees{'node'}{'contents'}[4]{'args'}[3]{'parent'} = 
$result_trees{'node'}{'contents'}[4];
 $result_trees{'node'}{'contents'}[4]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[4]{'args'}[0]{'contents'}[1];
 
$result_trees{'node'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'node'}{'contents'}[4]{'extra'}{'node_content'};
@@ -785,14 +735,11 @@
 $result_trees{'node'}{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[0];
 $result_trees{'node'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[1];
-$result_trees{'node'}{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[5]{'args'}[1];
 $result_trees{'node'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'args'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[2];
-$result_trees{'node'}{'contents'}[5]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[5]{'args'}[2];
 $result_trees{'node'}{'contents'}[5]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[3];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[5]{'args'}[3];
-$result_trees{'node'}{'contents'}[5]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[5]{'args'}[3];
 $result_trees{'node'}{'contents'}[5]{'args'}[3]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[5];
 $result_trees{'node'}{'contents'}[5]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[5]{'args'}[0]{'contents'}[1];
@@ -826,7 +773,6 @@
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[0]{'line_nr'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[2]{'line_nr'};
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[1];
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[1];
-$result_trees{'node'}{'contents'}[7]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[1];
 $result_trees{'node'}{'contents'}[7]{'args'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[7];
 
$result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'args'}[0];
 
$result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[0];
@@ -835,7 +781,6 @@
 $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[2];
 
$result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[2];
 $result_trees{'node'}{'contents'}[7]{'args'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[7]{'args'}[2];
-$result_trees{'node'}{'contents'}[7]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node'}{'contents'}[7]{'args'}[2];
 $result_trees{'node'}{'contents'}[7]{'args'}[2]{'parent'} = 
$result_trees{'node'}{'contents'}[7];
 $result_trees{'node'}{'contents'}[7]{'extra'}{'node_content'}[0] = 
$result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 $result_trees{'node'}{'contents'}[7]{'extra'}{'node_content'}[1] = 
$result_trees{'node'}{'contents'}[7]{'args'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/sectioning/node_empty_direction.pl
===================================================================
--- trunk/tp/t/results/sectioning/node_empty_direction.pl       2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/node_empty_direction.pl       2017-10-25 
20:23:05 UTC (rev 7971)
@@ -41,7 +41,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {}
+            'spaces_before_argument_elt' => {}
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -79,7 +79,7 @@
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0];
 $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'node_empty_direction'}{'contents'}[1];
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1];
-$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument_elt'}
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'contents'}[0];
 $result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'node_empty_direction'}{'contents'}[1];
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'node_content'};
@@ -86,7 +86,7 @@
 
$result_trees{'node_empty_direction'}{'contents'}[1]{'extra'}{'spaces_after_command'}
 = 
$result_trees{'node_empty_direction'}{'contents'}[1]{'args'}[0]{'contents'}[0];
 $result_trees{'node_empty_direction'}{'contents'}[1]{'parent'} = 
$result_trees{'node_empty_direction'};
 
-$result_texis{'node_empty_direction'} = '@node name,  ';
+$result_texis{'node_empty_direction'} = '@node name, ';
 
 
 $result_texts{'node_empty_direction'} = '';

Modified: trunk/tp/t/results/sectioning/node_too_much_args.pl
===================================================================
--- trunk/tp/t/results/sectioning/node_too_much_args.pl 2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/sectioning/node_too_much_args.pl 2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -35,11 +35,7 @@
         {
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -47,11 +43,7 @@
         {
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -64,11 +56,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => '  ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => '  '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -115,12 +103,9 @@
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
-$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
-$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3];
-$result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'node_too_much_args'}{'contents'}[1];
 $result_trees{'node_too_much_args'}{'contents'}[1]{'extra'}{'node_content'}[0] 
= $result_trees{'node_too_much_args'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'node_too_much_args'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'node_too_much_args'}{'contents'}[1]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/node_up_external_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/node_up_external_node.pl      2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/node_up_external_node.pl      2017-10-25 
20:23:05 UTC (rev 7971)
@@ -234,11 +234,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -256,11 +252,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -279,11 +271,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -386,15 +374,12 @@
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
 $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl       
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl       
2017-10-25 20:23:05 UTC (rev 7971)
@@ -296,11 +296,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -600,7 +596,6 @@
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];

Modified: 
trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl    
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl    
2017-10-25 20:23:05 UTC (rev 7971)
@@ -287,11 +287,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -578,7 +574,6 @@
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl       
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl       
2017-10-25 20:23:05 UTC (rev 7971)
@@ -296,11 +296,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -600,7 +596,6 @@
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];

Modified: 
trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl    
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl    
2017-10-25 20:23:05 UTC (rev 7971)
@@ -287,11 +287,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -578,7 +574,6 @@
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2];
 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];

Modified: trunk/tp/t/results/sectioning/nodes_before_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/nodes_before_top.pl   2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/sectioning/nodes_before_top.pl   2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -40,11 +40,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -52,11 +48,7 @@
         {
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -685,9 +677,7 @@
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[0];
 $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'nodes_before_top'}{'contents'}[1];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1];
-$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1];
 $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'nodes_before_top'}{'contents'}[1];
-$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2];
 $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'nodes_before_top'}{'contents'}[1];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3];
 
$result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_before_top'}{'contents'}[1]{'args'}[3];

Modified: trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl
===================================================================
--- trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl 
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl 
2017-10-25 20:23:05 UTC (rev 7971)
@@ -41,11 +41,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -102,11 +98,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -134,11 +126,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -191,11 +179,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -229,11 +213,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -489,11 +469,7 @@
           {
             'contents' => [],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -506,11 +482,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -567,11 +539,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -605,11 +573,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -662,7 +626,6 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
@@ -671,7 +634,6 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -679,7 +641,6 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
@@ -690,7 +651,6 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -699,7 +659,6 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'node_content'};
@@ -752,10 +711,8 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
@@ -765,7 +722,6 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -774,7 +730,6 @@
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl
===================================================================
--- trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl  
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl  
2017-10-25 20:23:05 UTC (rev 7971)
@@ -41,11 +41,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -102,11 +98,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -134,11 +126,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -191,11 +179,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -229,11 +213,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -489,11 +469,7 @@
           {
             'contents' => [],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -506,11 +482,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -567,11 +539,7 @@
                       }
                     ],
                     'extra' => {
-                      'spaces_before_argument' => {
-                        'parent' => {},
-                        'text' => ' ',
-                        'type' => 'empty_spaces_before_argument'
-                      }
+                      'spaces_before_argument' => ' '
                     },
                     'parent' => {},
                     'type' => 'brace_command_arg'
@@ -605,11 +573,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -662,7 +626,6 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
@@ -671,7 +634,6 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -679,7 +641,6 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
@@ -690,7 +651,6 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'line_nr'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'line_nr'};
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -699,7 +659,6 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'node_content'};
@@ -752,10 +711,8 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
@@ -765,7 +722,6 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
@@ -774,7 +730,6 @@
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl
===================================================================
--- trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl      
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/non_automatic_top_node_up_url.pl      
2017-10-25 20:23:05 UTC (rev 7971)
@@ -41,11 +41,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -58,11 +54,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -81,11 +73,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -347,11 +335,7 @@
           {
             'contents' => [],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -364,11 +348,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -387,11 +367,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -449,14 +425,11 @@
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'node_content'};
@@ -506,14 +479,11 @@
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/novalidate.pl
===================================================================
--- trunk/tp/t/results/sectioning/novalidate.pl 2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/sectioning/novalidate.pl 2017-10-25 20:23:05 UTC (rev 
7971)
@@ -76,11 +76,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -309,7 +305,6 @@
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'novalidate'}{'contents'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'novalidate'}{'contents'}[1]{'args'}[1];
-$result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'novalidate'}{'contents'}[1]{'args'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'novalidate'}{'contents'}[1];
 $result_trees{'novalidate'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'novalidate'}{'contents'}[1];
 
$result_trees{'novalidate'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'novalidate'}{'contents'}[1]{'contents'}[1];

Modified: trunk/tp/t/results/sectioning/part_node_before_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/part_node_before_top.pl       2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/part_node_before_top.pl       2017-10-25 
20:23:05 UTC (rev 7971)
@@ -41,11 +41,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -394,7 +390,6 @@
 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0];
 $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1];
 $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
 $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[3];

Modified: trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl
===================================================================
--- trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl        
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/part_node_chapter_after_top.pl        
2017-10-25 20:23:05 UTC (rev 7971)
@@ -385,11 +385,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -402,11 +398,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -425,11 +417,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -521,11 +509,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -549,11 +533,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -719,14 +699,11 @@
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
@@ -743,12 +720,10 @@
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[1];
 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/placed_things_before_element.pl
===================================================================
--- trunk/tp/t/results/sectioning/placed_things_before_element.pl       
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/placed_things_before_element.pl       
2017-10-25 20:23:05 UTC (rev 7971)
@@ -349,11 +349,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -914,7 +910,6 @@
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1];
-$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'contents'}[0];
 
$result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9]{'contents'}[0]{'parent'}
 = $result_trees{'placed_things_before_element'}{'contents'}[0]{'contents'}[9];

Modified: trunk/tp/t/results/sectioning/placed_things_before_node.pl
===================================================================
--- trunk/tp/t/results/sectioning/placed_things_before_node.pl  2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/placed_things_before_node.pl  2017-10-25 
20:23:05 UTC (rev 7971)
@@ -349,11 +349,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -962,7 +958,6 @@
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1];
-$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'contents'}[0];
 
$result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9]{'contents'}[0]{'parent'}
 = $result_trees{'placed_things_before_node'}{'contents'}[0]{'contents'}[9];

Modified: trunk/tp/t/results/sectioning/semi_auto.pl
===================================================================
--- trunk/tp/t/results/sectioning/semi_auto.pl  2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/sectioning/semi_auto.pl  2017-10-25 20:23:05 UTC (rev 
7971)
@@ -657,11 +657,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -680,11 +676,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -891,11 +883,9 @@
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[0]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[1]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2];
-$result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[2]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'contents'}[1]{'parent'} 
= $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3];
-$result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3];
 $result_trees{'semi_auto'}{'contents'}[7]{'args'}[3]{'parent'} = 
$result_trees{'semi_auto'}{'contents'}[7];
 $result_trees{'semi_auto'}{'contents'}[7]{'extra'}{'node_content'}[0] = 
$result_trees{'semi_auto'}{'contents'}[7]{'args'}[0]{'contents'}[1];
 
$result_trees{'semi_auto'}{'contents'}[7]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'semi_auto'}{'contents'}[7]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl
===================================================================
--- trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl       2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/two_nodes_at_the_end.pl       2017-10-25 
20:23:05 UTC (rev 7971)
@@ -392,11 +392,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -409,11 +405,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -432,11 +424,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -719,14 +707,11 @@
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
 $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl
===================================================================
--- trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl 2017-09-25 
18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/sectioning/two_nodes_between_chapters.pl 2017-10-25 
20:23:05 UTC (rev 7971)
@@ -392,11 +392,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -409,11 +405,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -432,11 +424,7 @@
               }
             ],
             'extra' => {
-              'spaces_before_argument' => {
-                'parent' => {},
-                'text' => ' ',
-                'type' => 'empty_spaces_before_argument'
-              }
+              'spaces_before_argument' => ' '
             },
             'parent' => {},
             'type' => 'misc_line_arg'
@@ -774,14 +762,11 @@
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/value/value_in_node.pl
===================================================================
--- trunk/tp/t/results/value/value_in_node.pl   2017-09-25 18:42:41 UTC (rev 
7970)
+++ trunk/tp/t/results/value/value_in_node.pl   2017-10-25 20:23:05 UTC (rev 
7971)
@@ -71,11 +71,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -88,11 +84,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -111,11 +103,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -385,11 +373,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -408,11 +392,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -685,11 +665,7 @@
         {
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -702,11 +678,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -725,11 +697,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -837,14 +805,11 @@
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[0];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1];
-$result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2];
-$result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3];
-$result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3];
 $result_trees{'value_in_node'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[1];
 $result_trees{'value_in_node'}{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'value_in_node'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'value_in_node'}{'contents'}[1]{'extra'}{'node_content'};
@@ -895,11 +860,9 @@
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2];
-$result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2];
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3];
-$result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3];
 $result_trees{'value_in_node'}{'contents'}[3]{'args'}[3]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[3];
 $result_trees{'value_in_node'}{'contents'}[3]{'extra'}{'node_content'}[0] = 
$result_trees{'value_in_node'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_in_node'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = $result_trees{'value_in_node'}{'contents'}[3]{'extra'}{'node_content'};
@@ -948,14 +911,11 @@
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[0];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[0];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
-$result_trees{'value_in_node'}{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[1];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2];
-$result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[2]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3];
-$result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3];
 $result_trees{'value_in_node'}{'contents'}[5]{'args'}[3]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
 $result_trees{'value_in_node'}{'contents'}[5]{'contents'}[0]{'parent'} = 
$result_trees{'value_in_node'}{'contents'}[5];
 
$result_trees{'value_in_node'}{'contents'}[5]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'value_in_node'}{'contents'}[5]{'contents'}[1]{'contents'}[0]{'args'}[0];

Modified: trunk/tp/t/results/value/value_node_directions.pl
===================================================================
--- trunk/tp/t/results/value/value_node_directions.pl   2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/value/value_node_directions.pl   2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -71,11 +71,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -88,11 +84,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -111,11 +103,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -255,11 +243,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -272,11 +256,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -295,11 +275,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -421,11 +397,7 @@
         {
           'contents' => [],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -438,11 +410,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -461,11 +429,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -565,14 +529,11 @@
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1];
-$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2];
-$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3];
-$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3];
 $result_trees{'value_node_directions'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'value_node_directions'}{'contents'}[1]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'value_node_directions'}{'contents'}[1]{'extra'}{'node_content'};
@@ -598,14 +559,11 @@
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1];
-$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[1]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2];
-$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[2]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3];
-$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3];
 $result_trees{'value_node_directions'}{'contents'}[3]{'args'}[3]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'value_node_directions'}{'contents'}[3]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'value_node_directions'}{'contents'}[3]{'extra'}{'node_content'};
@@ -627,14 +585,11 @@
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
-$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[1]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2];
-$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[2]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3];
-$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3];
 $result_trees{'value_node_directions'}{'contents'}[5]{'args'}[3]{'parent'} = 
$result_trees{'value_node_directions'}{'contents'}[5];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'value_node_directions'}{'contents'}[5]{'args'}[0]{'contents'}[1];
 
$result_trees{'value_node_directions'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}
 = 
$result_trees{'value_node_directions'}{'contents'}[5]{'extra'}{'node_content'};

Modified: trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl
===================================================================
--- trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl  
2017-09-25 18:42:41 UTC (rev 7970)
+++ trunk/tp/t/results/xml_tests/brace_commands_spaces_end_of_lines.pl  
2017-10-25 20:23:05 UTC (rev 7971)
@@ -17,12 +17,8 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => '
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => '
+'
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -65,12 +61,8 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' 
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' 
+'
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -123,12 +115,8 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => '
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => '
+'
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -184,12 +172,8 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' 
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' 
+'
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -245,12 +229,8 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => '
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => '
+'
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -306,12 +286,8 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' 
-',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' 
+'
           },
           'parent' => {},
           'type' => 'brace_command_arg'
@@ -345,7 +321,6 @@
   'type' => 'text_root'
 };
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[0]{'args'}[0];
-$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[0]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[0]{'args'}[0]{'contents'}[0];
 $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[0]{'parent'} = 
$result_trees{'brace_commands_spaces_end_of_lines'};
@@ -352,7 +327,6 @@
 $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[1]{'parent'} = 
$result_trees{'brace_commands_spaces_end_of_lines'};
 $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[2]{'parent'} = 
$result_trees{'brace_commands_spaces_end_of_lines'};
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[3]{'args'}[0];
-$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[3]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[3]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[3];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[3]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[3]{'args'}[0]{'contents'}[0];
 $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[3]{'parent'} = 
$result_trees{'brace_commands_spaces_end_of_lines'};
@@ -361,7 +335,6 @@
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1];
-$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[0]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[6]{'args'}[1]{'contents'}[0];
@@ -371,7 +344,6 @@
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1];
-$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[0]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[9]{'args'}[1]{'contents'}[0];
@@ -381,7 +353,6 @@
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1];
-$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[0]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[12]{'args'}[1]{'contents'}[0];
@@ -391,7 +362,6 @@
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1];
-$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'parent'}
 = $result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[0]{'contents'}[0];
 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'extra'}{'brace_command_contents'}[1][0]
 = 
$result_trees{'brace_commands_spaces_end_of_lines'}{'contents'}[15]{'args'}[1]{'contents'}[0];

Modified: trunk/tp/t/results/xml_tests/commands_and_spaces.pl
===================================================================
--- trunk/tp/t/results/xml_tests/commands_and_spaces.pl 2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/xml_tests/commands_and_spaces.pl 2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -223,11 +223,7 @@
             }
           ],
           'extra' => {
-            'spaces_before_argument' => {
-              'parent' => {},
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           },
           'parent' => {},
           'type' => 'misc_line_arg'
@@ -425,11 +421,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -467,11 +459,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -546,11 +534,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -594,11 +578,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'brace_command_arg'
@@ -801,11 +781,7 @@
                 }
               ],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'parent' => {},
               'type' => 'block_line_arg'
@@ -847,11 +823,7 @@
               'contents' => [],
               'extra' => {
                 'float' => {},
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'line_nr' => {
                 'file_name' => '',
@@ -1145,11 +1117,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'bracketed'
@@ -1699,11 +1667,7 @@
               'cmdname' => 'footnote',
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => '  ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => '  '
               },
               'line_nr' => {
                 'file_name' => '',
@@ -1768,11 +1732,7 @@
               'cmdname' => 'math',
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => ' ',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => ' '
               },
               'line_nr' => {},
               'parent' => {}
@@ -1809,11 +1769,7 @@
                     }
                   ],
                   'extra' => {
-                    'spaces_before_argument' => {
-                      'parent' => {},
-                      'text' => ' ',
-                      'type' => 'empty_spaces_before_argument'
-                    }
+                    'spaces_before_argument' => ' '
                   },
                   'parent' => {},
                   'type' => 'brace_command_arg'
@@ -1878,11 +1834,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'line_nr' => {
                         'file_name' => '',
@@ -1909,11 +1861,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'line_nr' => {},
                       'parent' => {},
@@ -1936,11 +1884,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => ' ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => ' '
                       },
                       'line_nr' => {},
                       'parent' => {},
@@ -1963,11 +1907,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => '  ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => '  '
                       },
                       'line_nr' => {},
                       'parent' => {},
@@ -1990,11 +1930,7 @@
                         }
                       ],
                       'extra' => {
-                        'spaces_before_argument' => {
-                          'parent' => {},
-                          'text' => '  ',
-                          'type' => 'empty_spaces_before_argument'
-                        }
+                        'spaces_before_argument' => '  '
                       },
                       'line_nr' => {},
                       'parent' => {},
@@ -2242,7 +2178,6 @@
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'commands_and_spaces'}{'contents'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3];
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'commands_and_spaces'}{'contents'}[1];
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'commands_and_spaces'}{'contents'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[1];
@@ -2277,7 +2212,6 @@
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[14]{'parent'} 
= $result_trees{'commands_and_spaces'}{'contents'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[0];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15];
@@ -2285,7 +2219,6 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[2];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[3]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[15]{'args'}[4];
@@ -2300,7 +2233,6 @@
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[17]{'parent'} 
= $result_trees{'commands_and_spaces'}{'contents'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[0];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[1];
@@ -2309,7 +2241,6 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[2];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[3]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[18]{'args'}[4];
@@ -2349,7 +2280,6 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'args'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];
@@ -2357,7 +2287,6 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[1]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[1]{'extra'}{'float'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[1]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[2];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23]{'contents'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[23];
@@ -2416,7 +2345,6 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[3];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[27]{'args'}[0]{'contents'}[5]{'args'}[0];
@@ -2517,7 +2445,6 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[1]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[1]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[1]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[1];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[1]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'contents'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38];
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[38]{'parent'} 
= $result_trees{'commands_and_spaces'}{'contents'}[1];
@@ -2528,7 +2455,6 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'line_nr'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[1]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40]{'contents'}[2]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[40];
@@ -2536,7 +2462,6 @@
 $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[41]{'parent'} 
= $result_trees{'commands_and_spaces'}{'contents'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'args'}[0];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'args'}[0]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'extra'}{'brace_command_contents'}[0][0]
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'args'}[0]{'contents'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42]{'contents'}[0]{'parent'}
 = $result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[42];
@@ -2547,30 +2472,25 @@
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[3];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[3]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[3];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[3]{'line_nr'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[5];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[5];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[5]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[5];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[5]{'line_nr'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[5]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[6]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[7]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[7];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[7]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[7];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[7]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[7];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[7]{'line_nr'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[7]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[8]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[9]{'contents'}[0]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[9];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[9]{'contents'}[1]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[9];
-$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[9]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[9];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[9]{'line_nr'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[1]{'line_nr'};
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[9]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0]{'contents'}[10]{'parent'}
 = 
$result_trees{'commands_and_spaces'}{'contents'}[1]{'contents'}[44]{'contents'}[0]{'args'}[0];
@@ -2785,10 +2705,7 @@
           'cmdname' => 'caption',
           'extra' => {
             'float' => {},
-            'spaces_before_argument' => {
-              'text' => ' ',
-              'type' => 'empty_spaces_before_argument'
-            }
+            'spaces_before_argument' => ' '
           }
         },
         'end_command' => {

Modified: trunk/tp/t/results/xml_tests/image_inline_or_not.pl
===================================================================
--- trunk/tp/t/results/xml_tests/image_inline_or_not.pl 2017-09-25 18:42:41 UTC 
(rev 7970)
+++ trunk/tp/t/results/xml_tests/image_inline_or_not.pl 2017-10-25 20:23:05 UTC 
(rev 7971)
@@ -1448,12 +1448,8 @@
               'cmdname' => 'footnote',
               'contents' => [],
               'extra' => {
-                'spaces_before_argument' => {
-                  'parent' => {},
-                  'text' => '
-',
-                  'type' => 'empty_spaces_before_argument'
-                }
+                'spaces_before_argument' => '
+'
               },
               'line_nr' => {
                 'file_name' => '',
@@ -1989,7 +1985,6 @@
 
$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[1];
-$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'extra'}{'spaces_before_argument'}{'parent'}
 = 
$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[0];
 
$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2];
 
$result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2];
 $result_trees{'image_inline_or_not'}{'contents'}[4]{'contents'}[2]{'parent'} = 
$result_trees{'image_inline_or_not'}{'contents'}[4];




reply via email to

[Prev in Thread] Current Thread [Next in Thread]