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

Previous Next

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.

Full log

Message #745 received at 56682 <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Gregory Heytings <gregory <at> heytings.org>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 56682 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca
Subject: Re: bug#56682: Fix the long lines font locking related slowdowns
Date: Wed, 3 Aug 2022 03:00:41 +0300

On 02.08.2022 19:19, Gregory Heytings wrote:
> 
>>> Try to open the dictionary.json with Emacs on master a month ago.
>>
>> I believe it can also be done with the current master, just after 
>> setting long-line-threshold to the nil value.  Right?
>>
> 
> Indeed.  With master from one month ago it's even more crystal-clear 
> that you see the statu quo ante.

If I set long-line-threshold to nil, does that also disable the 
redisplay optimizations related to long lines?

Ones that caused scrolling delays even after the buffer has been fully 
fontified.
This bug report was last modified 2 years and 8 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.