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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Message #122 received at 57207 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 57207 <at> debbugs.gnu.org, yantar92 <at> gmail.com
Subject: Re: bug#57207: 29.0.50; Fontification is slow after e7b5912b23
 (Improvements to long lines handling)
Date: Thu, 18 Aug 2022 16:58:00 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Cc: yantar92 <at> gmail.com,  57207 <at> debbugs.gnu.org
> Date: Thu, 18 Aug 2022 15:50:45 +0200
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > Can you attach a debugger to this session, and produce a C and Lisp
> > backtrace from Fnarrow_to_region and Fwiden when you do the above?
> 
> Setting a breakpoint on Fnarrow_to_region doesn't trigger -- the buffer
> flips back and forth to [Narrow] anyway.

OK.  Does this buffer have long lines?  What does
long-line-optimizations-p return?
This bug report was last modified 2 years and 169 days ago.

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