GNU bug report logs - #71690
14.0.5; preview-latex clips bold text with inline equations

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Message #8 received at 71690 <at> debbugs.gnu.org (full text, mbox):

From: Ikumi Keita <ikumi <at> ikumi.que.jp>
To: Matt Mitchell <matthew.mitchell <at> yale.edu>
Cc: 71690 <at> debbugs.gnu.org
Subject: Re: bug#71690: 14.0.5;
 preview-latex clips bold text with inline equations
Date: Fri, 21 Jun 2024 15:07:57 +0900

Hi Matt,

>>>>> Matt Mitchell <matthew.mitchell <at> yale.edu> writes:
> I've noticed that, when previewing LaTeX documents with C-c C-p C-d,
> inline equations inside \textbf{} are pushed to the front of the bold
> section, while the bold text itself is cut off.

> A minimal example is included below, along with my a dump of my Emacs &
> AUCTeX version info. I hope this is enough to reproduce it.

Thanks for your report. I confirmed what you say. This is basically a
issue described in preview-latex manual[1]. However, the workaround
mentioned there, namely putting
\PreviewMacro*\textbf
in the preamble, doesn't work because it is ignored by LaTeX as
,----
| l.7 \PreviewMacro
|                  *\textbf
| 
| ./tst-prv3.tex:7: LaTeX Error: Missing \begin{document}.
`----
. When I put \PreviewMacro*\emph after \begin{document}, document
preview (C-c C-p C-d) does work but region preview doesn't.

In the manual[1], there is also a sentence
,----
| At least all of the above mentioned macros and a few more are already
| catered for by a configuration file ‘prauctex.cfg’ that gets loaded
`----
. However, \textbf is actually missing from "prauctex.cfg". Thus I think
this is a bug of preview-latex.

I'll add \textbf in the default "prauctex.cfg". Until the fixed version
is released, you can work around the bug by the following prescription:
1. Find the default "prauctex.cfg" by "kpsewhich prauctex.cfg".
2. Copy it to the suitable place (current directory or
   ~/texmf/tex/latex/preview/).
3. Add
\PreviewMacro*\textbf
   in the copied "prauctex.cfg".

[1] https://www.gnu.org/software/auctex/manual/preview-latex/Misplaced-previews.html#Misplaced-previews

Regards,
Ikumi Keita
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#Gaza #StopMassiveKilling #CeasefireNOW

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