bug#11822: 24.1; emacsclient terminal mode captures escape characters as text

[Eli Zaretskii <eliz@gnu.org>]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Ken Raeburn <raeburn@permabit.com>,  11822@debbugs.gnu.org
> Date: Tue, 08 Sep 2015 09:22:59 -0400
> 
> >> 5) Even better, can we do the other-display updates in small increments,
> >> so that once we start doing those updates we don’t have a block of 160*RTT
> >> seconds where we’re unresponsive to new user input?
> 
> We could potentially do something like:
> - arrange for redisplay to first redisplays the selected frame.
> - check for input (and abort redisplay if applicable) between each frame.

That's what redisplay-dont-pause did, and we removed that.

In any case, I think the issue at hand is that more than one frame is
being redisplayed when only one should suffice.  So we want redisplay
to realize that other frames don't need to be redisplayed, instead of
aborting.