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

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Message #29 received at 55412 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Alan Mackenzie <acm <at> muc.de>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 55412 <at> debbugs.gnu.org, tanzer <at> swing.co.at
Subject: Re: bug#55412: 28.1; In Emacs 28.1, using ':eval' in
 'frame-title-format' doesn't work properly
Date: Wed, 18 May 2022 09:19:48 +0200

> With the Fselect_window call in place:
> (i) When minibuffer-follows-selected-frame is nil, and the minibuffer is
>    the current window before switching frames with C-x 5 o, it remains the
>    current window on returning to the first frame.
> (ii) When minibuffer-follows-selected-frame is t (the default) and other
>    circumstances are as in (i), the minibuffer is no longer the selected
>    window on returning to the first frame.
> I wanted to fix this inconsistency, I think.
>
> Clearly, this inconsistency is less important than frame-title-format not
> working.

When I type M-:, save the expression to evaluate from some other frame,
and the subsequent yank inserts that expression into a normal buffer
instead of the minibuffer, the resulting behavior does not constitute a
less important inconsistency but an annoying regression.  This is one of
the things that used to work "ever since".

> May I suggest that one of us applies your patch immediately to
> the release branch.  I will then attempt to find a less harmful way of
> fixing that inconsistency, and will take direction from you which branch
> it should be committed to.

In that case please default 'minibuffer-follows-selected-frame' to nil
and then try to find a suitable solution.  Or try the patch I posted.

martin

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