GNU bug report logs - #61102
28.1; with-selected-window/save-window-excursion calls buffer-list-update-hook only once

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Message #17 received at 61102 <at> debbugs.gnu.org (full text, mbox):

From: Al Haji-Ali <abdo.haji.ali <at> gmail.com>
To: martin rudalics <rudalics <at> gmx.at>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 61102 <at> debbugs.gnu.org
Subject: Re: bug#61102: 28.1; with-selected-window/save-window-excursion
 calls buffer-list-update-hook only once
Date: Thu, 02 Feb 2023 17:08:55 +0000

On 02/02/2023, martin rudalics wrote:
>    "The ordering of recently selected windows and the buffer list remain
>     unchanged unless you deliberately change them within FORMS; for
>     example, by calling ‘select-window’ with argument NORECORD ‘nil’.
>     Hence, this macro is the preferred way to temporarily work with
>     WINDOW as the selected window without needlessly running
>     ‘buffer-list-update-hook’."

I see that the behaviour is not a bug as per the documentation.

But it does lead to strange behaviours in code or packages that rely on tracking the selected window since there is no way (that I see at least) to detect that the selected window did not change, or changed back at the end of executing this code.

Best regards,
-- Al

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