[groff] 04/19: eqn(1): Fix style and markup nits.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit c355aeee4eebf811c4f794591dd3e1f8a4fbabc0
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Sat May 27 00:21:58 2023 -0500

    eqn(1): Fix style and markup nits.
    
    * Correct name of primitive: `undefine` -> `undef`.
    * Tighten wording.
    * Protect primitive `define` from hyphenation, and quote it in contexts
      where it is confusable with an English word.
---
 src/preproc/eqn/eqn.1.man | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

diff --git a/src/preproc/eqn/eqn.1.man b/src/preproc/eqn/eqn.1.man
index 16dfd6beb..73c6d7e4f 100644
--- a/src/preproc/eqn/eqn.1.man
+++ b/src/preproc/eqn/eqn.1.man
@@ -348,9 +348,9 @@ as when setting a \[lq]global\[rq] font selection or type 
size
 and
 .BR gsize ),
 or declaring or deleting macros
-.RB ( define
+.RB \%(\[lq] define \[rq]
 and
-.BR undefine );
+.BR undef );
 these are termed
 .I commands.
 .
@@ -599,30 +599,24 @@ can be any character not appearing in the parameter thus 
bracketed.
 .
 .TP
 .BI sdefine\~ "name X anything X"
-This is like the
-.B \%define
-primitive,
+As
+.RB \%\[lq] define \[rq],
 but
 .I name
-is not recognized if called with arguments.
+is not recognized as a macro if called with arguments.
 .
 .
-.br
-.ne 4v \" XXX: should need only 3v!
 .TP
 .BI include\~ file
 .TQ
 .BI copy\~ file
 Interpolate the contents of
-.IR file .
-.
-Lines in
-.I file
+.IR file ,
+omitting lines
 beginning with
 .B .EQ
 or
-.B .EN
-are ignored.
+.BR .EN .
 .
 .
 .TP