bug#53894: 27.2; Clipboard copy -> C-y -> M-y -> Same clipboard copy does not push to kill ring

[Po Lu]

Ignacio Casso <ignaciocasso@hotmail.com> writes:

> I would keep it simple for now and restrict this patch to things that
> work out of the box right now. If you like the rest of the patch I can
> remove haiku from the list and add any other window system that you tell
> me.

Thanks, you can just remove Haiku from the list.  Otherwise, I'm happy
now.

> Adapting the new code to work also with counters is straightforward
> however. So if you think it's worth it to expose counters just to fix this
> bug in haiku and other window systems, we can do it.

Sure, I can work on that later.