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

[Eli Zaretskii]

> Date: Mon, 12 Jun 2023 09:17:29 +0200
> Cc: Eli Zaretskii <eliz@gnu.org>, "al@petrofsky.org" <al@petrofsky.org>,
>  "monnier@iro.umontreal.ca" <monnier@iro.umontreal.ca>,
>  "63967@debbugs.gnu.org" <63967@debbugs.gnu.org>
> From: martin rudalics <rudalics@gmx.at>
> 
> Alas, this is no longer true.  Start Emacs 29 via
> 
> emacs -Q --eval "(setq default-frame-alist '((minibuffer . nil)))"
> 
> Now type C-x 5 o to switch to the normal, minibuffer-less frame and then
> type C-x f.  Next try to access the normal frame via C-x o, C-x 5 o, the
> window manager's Alt-TAB or any other key combination.  This used to
> work ever since.  Now you are in a modal dialogue exactly as described
> above.

Probably a bug that needs to be reported and fixed.