Subject: bug#25474: 26.0.50; Buffer content invisible

From: Eli Zaretskii <[email-masked]>
Date: Thu, 19 Jan 2017 17:51:24 +0200

> From: "Ivor Durham" <[email-masked]>
> Cc: <[email-masked]>
> Date: Wed, 18 Jan 2017 21:03:02 -0800
> 
> emacs -Q -xrm "emacs.synchronous: true" -- still produces a blank buffer
> area.

Thanks.  One possible suspect could be the double-buffering feature we
have on master.  Do you have HAVE_XDBE defined in src/config.h?