[bug #64356] [PATCH] [troff] tag use of '\~' with 'w' command

[G. Branden Robinson]

Update of bug #64356 (project groff):

                  Status:                    None => In Progress            
             Assigned to:                    None => gbranden               
                 Summary: [troff] tag use of '\~' with 'w' command => [PATCH]
[troff] tag use of '\~' with 'w' command

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Follow-up Comment #1:


diff --git a/ChangeLog b/ChangeLog
index b250e3f1c..d18e156e1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2023-06-27  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * src/roff/troff/node.cpp (unbreakable_space_node::tprint):
+       Write word marker ('w' "command") to output.
+       * NEWS: Add item.
+
+       Fixes <https://savannah.gnu.org/bugs/?64356>.
+
 2023-06-24  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * src/roff/troff/input.cpp (while_request): Trivially refactor.
diff --git a/NEWS b/NEWS
index 6570ae1e2..1d6cf3c2f 100644
--- a/NEWS
+++ b/NEWS
@@ -12,6 +12,10 @@ VERSION next
 
 troff
 -----
+o GNU troff output now reports unbreakable spaces (those produced with
+  the `\~` escape sequence) as word breaks with the documentary 'w'
+  command, just as regular breakable spaces do.
+
 o In nroff mode (in other words, when producing output for terminal
   devices), the formatter now reports warning diagnostics regarding
   certain output problems using units of lines instead of inches (or the
diff --git a/src/roff/troff/node.cpp b/src/roff/troff/node.cpp
index 152dfda1b..341edce1f 100644
--- a/src/roff/troff/node.cpp
+++ b/src/roff/troff/node.cpp
@@ -5828,6 +5828,7 @@ int word_space_node::is_tag()
 void unbreakable_space_node::tprint(troff_output_file *out)
 {
   out->fill_color(col);
+  out->word_marker();
   if (is_html) {
     // we emit the space width as a negative glyph index
     out->flush_tbuf();




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