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bug#17173: 24.4.50; Emacs partially loses display, and redisplay via `C-
From: |
Eli Zaretskii |
Subject: |
bug#17173: 24.4.50; Emacs partially loses display, and redisplay via `C-l' does not fix it |
Date: |
Sat, 26 Dec 2015 18:43:59 +0200 |
> Date: Sat, 26 Dec 2015 08:38:47 -0800 (PST)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: Eli Zaretskii <eliz@gnu.org>, 17173@debbugs.gnu.org
>
> > Are you still seeing this problem?
>
> Yes, sometimes. My impression is that Emacs 25 does redisplay
> less often or something
We (mostly Stefan) made redisplay faster by removing some triggers
that would redraw windows unnecessarily. Such optimizations always
leave some fallout that needs to be fixed.
> and so there are occasions where the display is messed up. And yes,
> C-l sometimes has no effect to clear it up. To clear it up, I
> minimize the frame and then restore it, or sometimes it helps to
> just resize the frame.
>
> I cannot tell you when the problem arises. I can tell you
> that the problem exists.
It is impossible to fix these problems without a reproducible recipe.
The only alternative is to wait for someone else to come up with a bug
report and a recipe, which will solve this problem as a side effect.