bug#55412: 28.1; In Emacs 28.1, using ':eval' in 'frame-title-format' doesn't work properly

[Eli Zaretskii]

> Date: Sun, 15 May 2022 09:48:37 +0000
> Cc: tanzer@swing.co.at, 55412@debbugs.gnu.org
> From: Alan Mackenzie <acm@muc.de>
> 
> > Do you remember why the frame switch here was "unwanted"?  What
> > bad things happen if we restore the removed code?
> 
> I remember vaguely that that call to Fselect_window caused minibuffers to
> be switched between frames in an unwanted fashion.

If that is the problem, we could perhaps countermand it by binding
some variable across the call.

> I've got detailed notes of what I did, still.  I'll probably not
> have much chance to look at the bug today, but should do over the
> next few days.

TIA.