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

From: Dmitry Gutov
Subject: Re: RFC: flicker-free double-buffered Emacs under X11
Date: Tue, 1 Nov 2016 02:03:53 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:50.0) Gecko/20100101 Thunderbird/50.0

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:


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

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