Subject: Re: bug#18912: 24.4; mode-line corruption on graphical frames in dual-headed display

From: Eli Zaretskii <[email-masked]>
Date: Wed, 05 Nov 2014 05:39:11 +0200

> From: Stefan Monnier <[email-masked]>
> Cc: Bruno Félix Rezende Ribeiro <[email-masked]>,
>   [email-masked]
> Date: Tue, 04 Nov 2014 15:13:51 -0500
> 
> > Moreover, the fact that running xrefresh, which is not an Emacs
> > command, fixes the display is yet another argument against this
> > hypothesis.  xrefresh doesn't communicate with Emacs, so the only way
> > it could fix the display is if the data supplied by Emacs was correct.
> 
> Actually xrefresh does (indirectly) communicate with Emacs, IIRC, since
> it causes the X server to generate "expose" events to redraw everything.

Then it should have the same effect as redraw-display, but evidently
doesn't.