GNU bug report logs - #61290
28.2; Ligatures messing up fontify subscripts in AUCTeX

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From: Jeremy Van Cleve <jeremy.vancleve <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 61290-done <at> debbugs.gnu.org, tsdh <at> gnu.org
Subject: bug#61290: 28.2; Ligatures messing up fontify subscripts in AUCTeX
Date: Sun, 12 Feb 2023 11:40:21 -0500

Yes it is, thanks!

> On Feb 12, 2023, at 7:16 AM, Eli Zaretskii <eliz <at> gnu.org> wrote:
> 
>> Cc: jeremy.vancleve <at> gmail.com, 61290 <at> debbugs.gnu.org
>> Date: Sun, 05 Feb 2023 13:58:46 +0200
>> From: Eli Zaretskii <eliz <at> gnu.org>
>> 
>>> From: Tassilo Horn <tsdh <at> gnu.org>
>>> Cc: Jeremy Van Cleve <jeremy.vancleve <at> gmail.com>, 61290 <at> debbugs.gnu.org
>>> Date: Sun, 05 Feb 2023 10:28:42 +0100
>>> 
>>> I'm somewhat relieved to say its the very same with the stock emacs
>>> tex-mode.el which does pretty much the same as AUCTeX, i.e., a simple
>>> reproducer is to open the tex file
>>> 
>>> --8<---------------cut here---------------start------------->8---
>>> \documentclass{article}
>>> \begin{document}
>>> \begin{equation}
>>>  A_{x+b-c*d/e}
>>> \end{equation}
>>> Here is a ligature -> and another one !=.
>>> \end{document}
>>> --8<---------------cut here---------------end--------------->8---
>>> 
>>> with emacs -Q.  It looks correct but gets wonky after evaluating
>>> Jeremy's ligature setup.
>> 
>> Thanks, should be fixed now on the emacs-29 branch.
> 
> No further comments, so I assume the bug is fixed, and I'm closing
> this.

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