bug#66394: 29.1; Make register-read-with-preview more useful

[Dmitry Gutov]

On 16/12/2023 22:20, Thierry Volpiatto wrote:
> Dmitry Gutov<dmitry@gutov.dev>  writes:
>
> > On 15/12/2023 16:45, Thierry Volpiatto wrote:
> > > In these patches (attached) I also fixed the problem of Dmitri with windows
> > > configuration (let me know if it works), BTW I guess this bug was
> > > already here before these changes.
> > My bad: it is indeed present in Emacs 29 as well.
> >
> > It's still there in the new patches (just tested a couple of times),
> Really? I tested it from emacs -Q with your recipe and it was working.
> Hmm, I will try again as soon as possible.

Thanks.

The problem occurs whenever an existing window is reused to show the 
registers' preview, rather than split.