bug#22466: 25.0.50; disable-theme apparently forces a redisplay and causes a screen flash

[Eli Zaretskii]

> Date: Tue, 26 Jan 2016 08:36:56 -0800 (PST)
> From: Drew Adams <drew.adams@oracle.com>
> Cc: 22466@debbugs.gnu.org
> 
> > Anyway, how come you get to doing this so often it hurts your eyes?
> > Aren't people setting their beloved theme once when the session
> > starts, and then never change it?
> 
> I can't speak for the OP, but no, users can well want to cycle
> through a set of themes before choosing one.

Yes, once.  Until they choose that one.