bug#23980: 25.0.95; Events put in `unread-command-events' can be wrongly handled

[Eli Zaretskii]

> Cc: chris.w.feng@gmail.com, 23980@debbugs.gnu.org
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Wed, 21 Feb 2018 23:45:30 +0200
> 
> > I'm _really_ uneasy about putting this on the release branch.  sit-for
> > is notorious for subtle problems that take a lot of time to be
> > exposed.
> 
> Well, ok. I can live with that.
> 
> Maybe consider it for inclusion if we end up having more pretests? This 
> patch has been in master for a few months, and it's two lines long, so 
> it must be *somewhat* safe.

Yes, a good idea.