GNU bug report logs - #19721
25.0.50; Mode-line not redrawn with expose events

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Package: emacs;

Reported by: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>

Date: Thu, 29 Jan 2015 10:52:02 UTC

Severity: normal

Found in version 25.0.50

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

Bug is archived. No further changes may be made.

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Message #14 received at 19721 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
Cc: 19721 <at> debbugs.gnu.org
Subject: Re: bug#19721: 25.0.50; Mode-line not redrawn with expose events
Date: Sat, 31 Jan 2015 13:09:54 +0200
> Date: Sat, 31 Jan 2015 19:31:59 +0900
> From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
> 
> I could reproduce the bug with Emacs 24.4 but not with Emacs 24.3.
> 
> I also tried git bisect.  The result was:
> 
> 655ab9a380068143cfb9a31d01488e83676d81c1 is the first bad commit
> commit 655ab9a380068143cfb9a31d01488e83676d81c1
> Author: Stefan Monnier <monnier <at> iro.umontreal.ca>
> Date:   Thu Nov 28 17:43:09 2013 -0500
> 
>     Refine redisplay optimizations to only redisplay *some* frames/windows
>     rather than all of them.

Thanks.

Yes, it was quite clear to me that this was caused by that change.
But the question is how to fix this regression without going back to
all the unnecessary redrawing which that change removed.




This bug report was last modified 10 years and 116 days ago.

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