bug#34901: CUA cut/copy no longer work in keyboard macros (emacs25)

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Ben Bridgwater <bbridgwater@gmail.com>,  34901@debbugs.gnu.org
> Date: Mon, 18 Mar 2019 13:06:45 -0400
> 
> > Yes.  Turns out CUA is another package that relied on undocumented
> > kludges to avoid recording the same key twice, when keys are pushed
> > back onto unread-command-events.  Aargh!
> >
> > Stefan, what do you think about the patch below?  Other that that, I
> > don't see what we could do with this stuff.
> 
> I wouldn't say it looks "good", but I can't think of a better
> approach, thanks.

OK, pushed to the master branch.

Unfortunately, it's too late for getting this into Emacs 26.2, so for
now the solution will have to wait for Emacs 27.  Too bad no one paid
attention to this since Emacs 25.1 was released.

Thanks.