Re: Small typo in calc.texi

[Eli Zaretskii]

> Date: Tue, 13 Jun 2023 21:39:21 +0200
> Cc: emacs-devel@gnu.org
> From: Jens Schmidt <jens.schmidt140@arcor.de>
> 
> On 2023-06-13  15:08, Vladimir Nikishkin wrote:
> 
> > I am not a pro on GNU texinfo. I just replaced
> > 
> > @expr{C_(-1)} with @expr{C_{(-1)}}
> > 
> > , despite syntax checker's complaints, and run make pdf. And the
> > resulting pdf looks the way it should look, with all of (-1) in the
> > sub-index.
> 
> FWIW the Texinfo Manual says about @math:
> 
>    The '@sub' and '@sup' commands described in the previous section
>    produce subscripts and superscripts in HTML output as well as TeX; the
>    plain TeX characters '_' and '^' for subscripts and superscripts are
>    recognized by TeX inside '@math', but do nothing special in HTML or
>    other output formats.
> 
> Maybe that would be an even better option?

Thanks to all who chimed in and provided useful inputs.

I eventually went with @sub, because that produces better output in
HTML as well, in addition to solving the original problem.

And with that, I'm closing this bug.