Re: [Emacs-diffs] master 5c9304e: Disable some display optimizations when frames need redisplay

[Eli Zaretskii]

> X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_40,RCVD_IN_DNSWL_LOW
>       autolearn=disabled version=3.3.2
> From: Stefan Monnier <address@hidden>
> Cc: address@hidden
> Date: Fri, 02 Oct 2015 11:46:29 -0400
> 
> >> So, what am I missing?
> > The setting of windows_or_buffers_changed in fset_redisplay can now be
> > removed.
> 
> Why would we want to do that?

Because a global variable cannot possibly convey the information that
only frames F1 and F2 need to be redisplayed.  Only frame-specific
variables can do that.

IOW, when 2 out of 200 frames need to be redisplayed, there's no
reason for us to attempt redisplaying all the 200.