emacs redisplay dead slow in latest update

[Per Bothner]

Per Bothner wrote:
> After updating Rawhide today Emacs redisplay is dead slow.
> The problem is when scrolling: even when only scrolling
> by a single line, the whole window is redisplayed, and
> it is done so very slowly - taking about two seconds.
> 
> This is only a problem with the default "Gnome window"
> emacs - it is not a problem with emacs -nw (i.e. Emacs
> in a terminal window), or other text editors I've
> tried (kate, gedit).

Furthermore, it easily gets into a mode where keystrokes
are misinterpreted.

Both problems are new as of today's update.
-- 
	--Per Bothner
per at bothner.com   http://per.bothner.com/