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

[Eli Zaretskii]

> Date: Fri, 20 May 2022 11:33:45 +0000
> Cc: Eli Zaretskii <eliz@gnu.org>, 55412@debbugs.gnu.org, tanzer@swing.co.at
> From: Alan Mackenzie <acm@muc.de>
> 
> I don't think redisplay should be calling Fselect_window or
> do_switch_frame at all.  Instead we should call (not yet existing) lower
> level functions.

Assuming those hypothetical lower-level functions will do enough of
Fselect_window to keep the semantics, I don't object.