GNU bug report logs - #56682
Fix the long lines font locking related slowdowns

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Package: emacs;

Reported by: Gregory Heytings <gregory <at> heytings.org>

Date: Thu, 21 Jul 2022 18:01:01 UTC

Severity: normal

Done: Gregory Heytings <gregory <at> heytings.org>

Bug is archived. No further changes may be made.

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From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 56682 <at> debbugs.gnu.org, gregory <at> heytings.org, monnier <at> iro.umontreal.ca
Subject: bug#56682: Fix the long lines font locking related slowdowns
Date: Sat, 23 Jul 2022 09:30:21 +0200

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

> And what jit-lock does when the text is already fontified should be
> negligible, right?

The iterator doesn't even stop and call jit-lock on regions with
'fontified' property, i.e. after font-lock.  I can't imagine ATM why
somone would have changed that.
This bug report was last modified 2 years and 8 days ago.

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