GNU bug report logs - #57207
29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling)

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Package: emacs;

Reported by: Ihor Radchenko <yantar92 <at> gmail.com>

Date: Sun, 14 Aug 2022 15:55:01 UTC

Severity: normal

Found in version 29.0.50

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

Bug is archived. No further changes may be made.

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 57207 <at> debbugs.gnu.org, yantar92 <at> gmail.com
Subject: bug#57207: 29.0.50; Fontification is slow after e7b5912b23 (Improvements to long lines handling)
Date: Sat, 20 Aug 2022 11:57:44 +0200

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

>> Would binding `inhibit-redisplay' there help?
>
> Maybe it will, but how can we do that?  It would break any pre- and
> post-command hooks that do need to trigger redisplay.

Do they need to while in this hard-narrow mode?  Hm... probably.

I'm not quite understanding why we're narrowing here in the first place.
Point is not in a long line in this test case -- there's just a long
line (hidden under a display property) earlier in the buffer.
This bug report was last modified 2 years and 169 days ago.

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