Re: RFC: flicker-free double-buffered Emacs under X11

[Dmitry Gutov]

On 28.10.2016 16:14, Stefan Monnier wrote:
> > I get a lot of flickering myself on Linux Mint with Gtk; often in font-lock
> > heavy buffers or while M-x compile is running.  This patch solves all of
> > it :)
>
> I also welcome this patch, of course, but for the record, such
> flickering should be solved by getting rid of those extra "spurious"
> updates, rather than by hiding them behind double buffering.

Spurious updates or not, according to a previous discussion, there's no 
reliable way to avoid flickers other than double-buffering:

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=16621#38

Even if we could optimize them out in some cases. As such, I very much 
welcome this patch as well.