Re: Math Chars

[G. Branden Robinson]

Hi Oliver,

At 2021-01-14T21:37:21+0100, Oliver Corff wrote:
> Filip's question prompted me to have a look at the eqn(1) manpage, and
> unfortunately, the "See also" section near the end does not point to
> groff_char(7) where all the symbols groff knows are listed.
> 
> What about appending this short paragraph and change it from
> 
> SEE ALSO: groff(1), troff(1), pic(1), groff_font(5), The TeXbook
> 
> to
> 
> SEE ALSO: groff_char(7), groff(1), troff(1), pic(1), groff_font(5), The
> TeXbook
> 
> and perhaps include a short statement somewhere in the text body that
> all math symbols are detailed in a separate manpage?

I pushed something along the lines you describe.

commit 34ecb24b95edf60d231b71ef2782c5a8994098cb
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri Jan 15 12:24:31 2021 +1100

    eqn(1): Add cross reference to groff_char(7).

    ...prompted by recommendation from Oliver Corff.

diff --git a/src/preproc/eqn/eqn.1.man b/src/preproc/eqn/eqn.1.man
index 2ea4ea5c..db672e28 100644
--- a/src/preproc/eqn/eqn.1.man
+++ b/src/preproc/eqn/eqn.1.man
@@ -1570,6 +1570,15 @@ Addison-Wesley Professional.
 .
 .
 .LP
+.IR groff_char (@MAN7EXT@),
+particularly subsections \[lq]Logical symbols\[rq],
+\[lq]Mathematical symbols\[rq],
+and \[lq]Greek glyphs\[rq],
+documents a variety of special character escapes useful in mathematical
+typesetting.
+.
+.
+.LP
 .IR groff (@MAN1EXT@),
 .IR \%@g@troff (@MAN1EXT@),
 .IR \%@g@pic (@MAN1EXT@),

Regards,
Branden

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