From: Dmitry Gutov <dgutov@yandex.ru>
To: Eli Zaretskii <eliz@gnu.org>
Cc: acm@muc.de, larsi@gnus.org, emacs-devel@gnu.org, gregory@heytings.org
Subject: Re: How the long-lines "optimisation" breaks font locking.
Date: Sat, 6 Aug 2022 13:54:05 +0300 [thread overview]
Message-ID: <0b4c1d94-9be6-8dbb-aa4f-b10e4365b449@yandex.ru> (raw)
In-Reply-To: <83czdeyluk.fsf@gnu.org>
On 06.08.2022 08:36, Eli Zaretskii wrote:
>> Date: Fri, 5 Aug 2022 22:50:07 +0300
>> Cc: acm@muc.de, larsi@gnus.org, emacs-devel@gnu.org, gregory@heytings.org
>> From: Dmitry Gutov <dgutov@yandex.ru>
>>
>> On 05.08.2022 18:30, Eli Zaretskii wrote:
>>>> The slow part I'm referring to is not in font-lock's code, nor in CC
>>>> Mode's font-lock rules. So it can be "fixed" independently.
>>> Then where is it?
>>
>> Probably somewhere in the recent xdisp.c changes.
>
> Very unlikely. The recent changes in xdisp.c could not have possibly
> slowed down the code there.
No, no. They fixed it.
That's why the advice to set long-line-threshold to nil (if one wants
correct fontification) is not so great: it brings those issues back.
next prev parent reply other threads:[~2022-08-06 10:54 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-03 18:39 How the long-lines "optimisation" breaks font locking Alan Mackenzie
2022-08-03 19:03 ` Lars Ingebrigtsen
2022-08-04 10:44 ` Alan Mackenzie
2022-08-04 12:54 ` Eli Zaretskii
2022-08-04 14:44 ` Alan Mackenzie
2022-08-04 14:52 ` Lars Ingebrigtsen
2022-08-04 15:22 ` Gregory Heytings
2022-08-05 1:23 ` Ihor Radchenko
2022-08-04 16:09 ` Eli Zaretskii
2022-08-05 10:56 ` Alan Mackenzie
2022-08-05 11:20 ` Eli Zaretskii
2022-08-05 13:04 ` Dmitry Gutov
2022-08-05 14:22 ` Eli Zaretskii
2022-08-05 14:29 ` Dmitry Gutov
2022-08-05 15:30 ` Eli Zaretskii
2022-08-05 19:50 ` Dmitry Gutov
2022-08-06 5:36 ` Eli Zaretskii
2022-08-06 10:54 ` Dmitry Gutov [this message]
2022-08-04 13:11 ` Eric S Fraga
2022-08-04 13:34 ` Po Lu
2022-08-04 14:38 ` Eric S Fraga
2022-08-04 16:16 ` SOLVED: " Eric S Fraga
2022-08-04 16:21 ` Eric S Fraga
2022-08-04 17:36 ` Stefan Kangas
2022-08-05 9:36 ` Eric S Fraga
2022-08-05 11:13 ` Eli Zaretskii
2022-08-05 12:28 ` Eric S Fraga
2022-08-05 13:40 ` Eric S Fraga
2022-08-05 23:11 ` Tim Cross
2022-08-05 23:23 ` Lars Ingebrigtsen
2022-08-08 11:51 ` Fraga, Eric
2022-08-03 19:15 ` Eli Zaretskii
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