GNU bug report logs - #38165
12.2.0; Syntax highlighting broken when there are too many characters in equation/align environment

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From: Arash Esbati <arash <at> gnu.org>
To: Ruiyang Wu <ruiyangwu <at> math.arizona.edu>
Cc: 38165 <at> debbugs.gnu.org
Subject: bug#38165: 12.2.0; Syntax highlighting broken when there are too many characters in equation/align environment
Date: Sun, 17 Nov 2019 22:35:10 +0100

tags 38165 notabug
close 38165
quit
--

Ruiyang Wu <ruiyangwu <at> math.arizona.edu> writes:

> Thanks for your reply. You are right, I just figured out this is not a bug
> of auctex, but a bug of polymode instead. L224 in `polymode-compat.el'
> messes up with font lock, and causes this problem in LaTeX mode.
>
> Although this is not quite relevant to auctex, a temporary workaround would
> be:
> (with-eval-after-load "polymode-compat"
>   (advice-remove 'font-lock-extend-region-multiline
> 'pm-check-for-real-change-in-extend-multiline))

Thanks for checking and providing a solution for others hitting this
issue.

Best, Arash

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