GNU bug report logs - #73302
TeX-find-closing-brace and verbatim macros

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Arash Esbati <arash <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#73302: closed (TeX-find-closing-brace and verbatim macros)
Date: Tue, 01 Oct 2024 22:03:03 +0000

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Your message dated Wed, 02 Oct 2024 00:02:11 +0200
with message-id <m2ttdvcwik.fsf <at> macmutant.fritz.box>
and subject line Re: bug#73302: TeX-find-closing-brace and verbatim macros
has caused the debbugs.gnu.org bug report #73302,
regarding TeX-find-closing-brace and verbatim macros
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Paul Nelson <ultrono <at> gmail.com>
To: bug-auctex <at> gnu.org
Subject: TeX-find-closing-brace and verbatim macros
Date: Mon, 16 Sep 2024 18:12:10 +0200

Hello,

Steps to reproduce:
1. Create a TeX file with a verbatim macro, e.g., \email{foo <at> bar.com},
or anything in (LaTeX-verbatim-macros-with-braces).
2. Put the cursor on the first character inside the braces.
3. M-: (TeX-find-closing-brace)

This should return position after closing brace, but instead returns nil.

This bug affects the folding of verbatim macros, through a chain of
function calls from TeX-fold-hide-item to TeX-find-closing-brace.

The issue is similar to one addressed by up-list in lisp.el - the key
point is to recover gracefully from the failed call to (scan-lists
(point) 1 1), rather than to give up altogether.  A similar fix might
be possible, but I thought I'd raise the issue here first.

Thanks, best,

Paul

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From: Arash Esbati <arash <at> gnu.org>
To: Paul Nelson <ultrono <at> gmail.com>
Cc: Ikumi Keita <ikumi <at> ikumi.que.jp>, 73302-done <at> debbugs.gnu.org
Subject: Re: bug#73302: TeX-find-closing-brace and verbatim macros
Date: Wed, 02 Oct 2024 00:02:11 +0200

Hi Paul,

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

> Indeed, the motivation for the bug fix that started this thread was
> that I've been polishing https://github.com/ultronozm/czm-tex-fold.el
> lately, with the aim of sharing it here and pushing it in some form to
> AUCTeX or ELPA (ideally, from my POV, the package would "cease to
> exist").

Yes, pushing the maintainance to others is always a good strategy ;-)

> Besides verbatim environments, the package adds folding support for
> quotes, dashes and begin/end environments (and maybe a couple more
> opinionated defaults of lesser importance).
>
> The folding for verbatim environments that we just discussed could be
> incorporated by something like the attached patch.

Many thanks for the patch, I installed that change (incl. the change
from your next mail).

> The other features could be discussed separately.  Any thoughts would
> be appreciated.

I suggest you prepare a patch for every feature you want to move into
AUCTeX and file a bug report, then we can discuss and install it.  For
now, I'm closing this report.

Best, Arash

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