GNU bug report logs - #78588
[PATCH] Fix math macro folding to not consume subsequent brackets

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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#78588: closed ([PATCH] Fix math macro folding to not consume
 subsequent brackets)
Date: Fri, 30 May 2025 15:22:02 +0000

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Your message dated Fri, 30 May 2025 17:21:04 +0200
with message-id <m2y0uef7kv.fsf <at> macmutant.fritz.box>
and subject line Re: bug#78588: [PATCH] Fix math macro folding to not consume subsequent brackets
has caused the debbugs.gnu.org bug report #78588,
regarding [PATCH] Fix math macro folding to not consume subsequent brackets
to be marked as done.

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From: "Paul D. Nelson" <ultrono <at> gmail.com>
To: bug-auctex <at> gnu.org
Subject: [PATCH] Fix math macro folding to not consume subsequent brackets
Date: Sun, 25 May 2025 17:55:05 +0200

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Hi again,

Folding $x \in [0,1]$ doesn't work as intended: [0,1] gets folded as if it
were an optional argument to \in.

The issue is that, when called on 'math macros, TeX-fold-item-end calls
TeX-find-macro, which skips past any {...} or [...].

The attached patch makes an expection in TeX-fold-item-end for 'math
macros, so that only the macro name itself (e.g., "\in") is folded.

This only affects the folding of macros in the list
TeX-fold-math-spec-list-internal, and looking through that list, I
didn't spot any for which this change would have an undesired effect.

Any feedback welcome.

Thanks, best,

Paul

[0001-Fix-math-macro-folding-to-not-consume-subsequent-bra.patch (text/x-patch, attachment)]

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From: Arash Esbati <arash <at> gnu.org>
To: "Paul D. Nelson" <ultrono <at> gmail.com>
Cc: 78588-done <at> debbugs.gnu.org
Subject: Re: bug#78588: [PATCH] Fix math macro folding to not consume
 subsequent brackets
Date: Fri, 30 May 2025 17:21:04 +0200

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

> Folding $x \in [0,1]$ doesn't work as intended: [0,1] gets folded as if it
> were an optional argument to \in.
>
> The issue is that, when called on 'math macros, TeX-fold-item-end calls
> TeX-find-macro, which skips past any {...} or [...].
>
> The attached patch makes an expection in TeX-fold-item-end for 'math
> macros, so that only the macro name itself (e.g., "\in") is folded.
>
> This only affects the folding of macros in the list
> TeX-fold-math-spec-list-internal, and looking through that list, I
> didn't spot any for which this change would have an undesired effect.

I installed that change.  Again, many thanks, closing.

Best, Arash

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