bug#12906: 24.2.50; Parts of the screen are completely white

[Eli Zaretskii <eliz@gnu.org>]

> From: "Fabrice Niessen" <fni@missioncriticalit.com>
> Cc: 12906@debbugs.gnu.org
> Date: Tue, 18 Dec 2012 23:50:38 +0100
> 
> Eli,
> 
> > Eli Zaretskii wrote:
> >>> From: "Fabrice Niessen" <fni@missioncriticalit.com>
> >>> Cc: 12906@debbugs.gnu.org
> >>> Date: Sun, 18 Nov 2012 21:24:37 +0100
> >>> 
> >>> On the big Org file (13,000 lines, 454 KB) I'm working on, the problem is
> >>> pretty reproducible...
> >>
> >> Can you send it to me?
> >
> > Just to let you know, this problem still occurs with GNU Emacs 24.3.50.1
> > (i386-mingw-nt5.1.2600) of 2012-12-03 on MS-W7-DANI.
> 
> As asked by Stefan, I'm testing the emacs-24 branch.
> 
> And I can confirm the above problem is *still* occurring with:
> 
>   GNU Emacs 24.2.91.1 (i386-mingw-nt5.1.2600) of 2012-12-15 on MS-W7-DANI

I'm sorry, but I cannot reproduce the problem, using the file you
mentioned, at least not in "emacs -Q".

You have a lot of optional features turned on; any chance of finding
out some minimal subset of them that still causes the problem?