GNU bug report logs - #63622
lisp/progmodes/python.el: performance regression introduced by multiline font-lock

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Package: emacs;

Reported by: Tom Gillespie <tgbugs <at> gmail.com>

Date: Sun, 21 May 2023 03:15:02 UTC

Severity: normal

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #8 received at 63622 <at> debbugs.gnu.org (full text, mbox):

From: Tom Gillespie <tgbugs <at> gmail.com>
To: 63622 <at> debbugs.gnu.org
Subject: source of problem identified to be python-font-lock-extend-region
Date: Sat, 20 May 2023 21:53:49 -0700

Despite my previous speculation about the regexp,
the issue is in python-font-lock-extend-region. When
replaced with a no-op the performance returns to normal.
This bug report was last modified 1 year and 361 days ago.

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