bug#26153: 26.0.50; Garbage displayed at visual line boundaries

[Eli Zaretskii]

> From: Yuri D'Elia <wavexx@thregr.org>
> Cc: 26153@debbugs.gnu.org
> Date: Sat, 18 Mar 2017 20:42:41 +0100
> 
> On Sat, Mar 18 2017, Eli Zaretskii wrote:
> > Can you try disabling double buffering?  Like this:
> >
> >   (add-to-list 'default-frame-alist '(inhibit-double-buffering . t))
> 
> Ah! This affects the issue.
> 
> By showing the same buffer on two frames, the original frame shows the
> problem, the new frame without double-buffering does not show any
> artifact.
> 
> Screenshot attached. Old frame (with double-buffering) on the top.
> This is the same emacs instance showing the same buffer.

Thanks for testing.

Daniel, could you please take a look?