GNU bug report logs - #78587
[PATCH] TeX-find-macro-end

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From: Arash Esbati <arash <at> gnu.org>
To: "Paul D. Nelson" <ultrono <at> gmail.com>
Cc: 78587 <at> debbugs.gnu.org
Subject: bug#78587: [PATCH] TeX-find-macro-end
Date: Tue, 27 May 2025 14:32:11 +0200

Hi Paul,

"Paul D. Nelson" <ultrono <at> gmail.com> writes:

> I get the right answer ("]" "]" "]" "]"), but for the wrong reason:
> evaluating
>
> (mapcar
>  (lambda (str)
>    (with-temp-buffer
>      (LaTeX-mode)
>      (insert str)
>      (char-to-string (char-before (1- (TeX-find-macro-end-helper (point-min)))))))
>  '("\begin{enumerate}[a{]}]"))
>
> yields ("{"), which shows that it's picking up the wrong "]".

This is also what I thought, sorry for not being explicit about it in my
last message, was a bit in hurry.

> I guess this case could be covered by adding "{" and "}" to the syntax
> table.  Can you imagine any further issues with that approach?

My answer to that exercise is basically this:

https://cgit.git.savannah.gnu.org/cgit/auctex.git/commit/font-latex.el?id=7de5f1bbdd186bc84a8bd764e843a308f798210f

This was the best I could come up with as I tried to fix this
fontification bug:

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=57516

I'm not sure if that solution is applicable to the issue at hand.

Best, Arash

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