GNU bug report logs - #77039
31.0.50; Flickering on macOS

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Package: emacs;

Reported by: Aaron Jensen <aaronjensen <at> gmail.com>

Date: Sat, 15 Mar 2025 16:43:01 UTC

Severity: normal

Found in version 31.0.50

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

Bug is archived. No further changes may be made.

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Message #167 received at 77039 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Cc: alan <at> idiocy.org, 77039 <at> debbugs.gnu.org, aaronjensen <at> gmail.com
Subject: Re: bug#77039: 31.0.50; Flickering on macOS
Date: Sun, 23 Mar 2025 11:44:35 +0200

> From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
> Cc: aaronjensen <at> gmail.com,  alan <at> idiocy.org,  77039 <at> debbugs.gnu.org
> Date: Sun, 23 Mar 2025 10:32:29 +0100
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> >> redisplay_internal has this (line numbers may differ):
> >> 
> >> xdisp.c:
> >> 17368       && (NILP (Vdisplay_line_numbers)
> >> 17369           || EQ (Vdisplay_line_numbers, Qvisual))
> >> 
> >> This means that certain redisplay optimizations that make redisplay
> >> particularly "cheap" are not tried, depending on line number display.
> >
> > See bug#54091.
> 
> Thanks, but it's still an enigma for me :-). I've never used
> hs-minor-mode and don't know how it is implemented. Is it the old
> selective display, and something the OP did that changed it that way?

No, it uses an overlay with 'invisible' property.  See hs-make-overlay
in hideshow.el.
This bug report was last modified 114 days ago.

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