bug#63967: 28.2; switch-to-buffer in normal window fails if minibuffer window is active

[Eli Zaretskii]

> Cc: al@petrofsky.org, rudalics@gmx.at, monnier@iro.umontreal.ca,
>  63967@debbugs.gnu.org
> Date: Sun, 11 Jun 2023 16:53:48 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > Do you want me to fix this bug?  It seems there are quite a lot of people
> > who've made observations about it in the last couple of days.
> 
> I want to fix the bug whose recipe is in
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=63967#5 and other
> similar ones, yes.  Basically, if Emacs reads from a recursive
> minibuffer when the selected window before that was not a mini-window,
> we now signal a user-error, which is a regression since Emacs 28, and
> I'd like that to be solved.  But please begin by looking at the
> solution proposed by Martin in
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=63967#38 and tell if it
> looks good to you, and if not, why not.

Ping!  Any progress there?