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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Message #1648 received at 56682 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 56682 <at> debbugs.gnu.org, gregory <at> heytings.org, monnier <at> iro.umontreal.ca
Subject: Re: bug#56682: Fix the long lines font locking related slowdowns
Date: Tue, 16 Aug 2022 13:57:18 +0300

On 16.08.2022 05:45, Eli Zaretskii wrote:
>> If we apply narrowing in handle_fontified_prop (or like in the
>> attachment), and also in font-lock-fontify-region, it seems like every
>> significant (*) execution path will go through two repetitions of the
>> same logic.
>>
>> That's not ideal.
> But not a catastrophe, either.

I suppose not.
This bug report was last modified 2 years and 8 days ago.

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