[groff] 04/09: doc/groff.texi: Fix content, style nits (fonts).

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit e43e2f257ada21f8936639876e16f1b3c1fdc62f
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Fri Sep 1 09:04:36 2023 -0500

    doc/groff.texi: Fix content, style nits (fonts).
    
    * Document how `ft`/`.ft P` behaves when there is no previous font to
      select.
    * Use em-dashes to clarify a sentence.
    * Drop spurious word.
    
    Bump document date.
---
 doc/groff.texi | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/doc/groff.texi b/doc/groff.texi
index ded79644d..d032e51e3 100644
--- a/doc/groff.texi
+++ b/doc/groff.texi
@@ -464,7 +464,7 @@ Documentation License''.
 @title groff
 @subtitle The GNU implementation of @code{troff}
 @subtitle Edition 1.23.0+Git
-@subtitle August 2023
+@subtitle September 2023
 @author Trent@tie{}A.@: Fisher
 @author Werner Lemberg
 @author G.@tie{}Branden Robinson
@@ -10348,14 +10348,14 @@ default family.
 @cindex previous font, selecting (@code{ft})
 @cindex font, previous, slecting (@code{ft})
 The @code{ft} request selects the typeface @var{font}.  If the argument
-is absent or @samp{P}, it selects the previously chosen font.  If
-@var{font} is a non-negative integer, it is interpreted as a mounting
-position; the font mounted there is selected.  If that position refers
-to an abstract style, it is combined with the default family (see
-@code{fam} and @code{\F} below) to make a resolved font name.  If the
-mounting position is not a style and no font is mounted there, GNU
-@code{troff} emits a warning in category @samp{font} and ignores the
-request.
+is absent or @samp{P}, it selects the previously used typeface; if there
+is none, it ignores the request.  If @var{font} is a non-negative
+integer, it is interpreted as a mounting position; the font mounted
+there is selected.  If that position refers to an abstract style, it is
+combined with the default family (see @code{fam} and @code{\F} below) to
+make a resolved font name.  If the mounting position is not a style and
+no font is mounted there, GNU @code{troff} emits a warning in category
+@samp{font} and ignores the request.
 
 If @var{font} matches a style name, it is combined with the default
 family to make a resolved font name.  If not, @var{font} is assumed
@@ -10504,8 +10504,8 @@ abstract style causes GNU @code{troff} to combine it 
with the default
 font family.
 
 You can thus compose a document using abstract styles exclusively for
-its body or running text, selecting a specific family only for titles or
-examples, for instance, and change the default family on the command
+its body or running text---selecting a specific family only for titles
+or examples, for instance---and change the default family on the command
 line.
 
 @DefreqList {fam, [@Var{family}]}
@@ -10519,8 +10519,8 @@ Set the default font family, used in combination with 
abstract styles to
 construct a resolved font name, to @var{family} (one-character
 name@tie{}@var{f}, two-character name @var{fm}).  If no argument is
 given, GNU @code{troff} selects the previous font family; if there none,
-is it falls back to the device's default@footnote{@xref{DESC File
-Format}.} or its own (@samp{T}).
+it falls back to the device's default@footnote{@xref{DESC File Format}.}
+or its own (@samp{T}).
 
 The @code{\F} escape sequence works similarly.  In disanalogy to
 @code{\f}, @samp{\FP} makes @samp{P} the default family.  Use