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bug#61102: 28.1; with-selected-window/save-window-excursion calls buffer
From: |
Eli Zaretskii |
Subject: |
bug#61102: 28.1; with-selected-window/save-window-excursion calls buffer-list-update-hook only once |
Date: |
Thu, 02 Feb 2023 12:22:53 +0200 |
> From: Al Haji-Ali <abdo.haji.ali@gmail.com>
> Date: Fri, 27 Jan 2023 18:29:06 +0000
>
>
> The following code:
>
> --8<---------------cut here---------------start------------->8---
>
> (let ((fn (lambda () (message "Buffer changed: %S" (current-buffer)))))
> (add-hook 'buffer-list-update-hook fn)
> (with-selected-window (minibuffer-window)
> (save-window-excursion nil) nil)
> (remove-hook 'buffer-list-update-hook fn)
> nil)
>
> --8<---------------cut here---------------end--------------->8---
>
> Prints "Buffer changed: #<buffer *Minibuf-0*>" once, even though the
> selection should return to the currently selected buffer (which is different
> from the mini-buffer).
>
> I would expect either that the hook 'buffer-list-update-hook is not called at
> all, or that it is called twice (one time for every change of the selected
> buffer).
Martin, any comments on this? FWIW, I'm not sure this is a bug, but
maybe I'm missing something.
- bug#61102: 28.1; with-selected-window/save-window-excursion calls buffer-list-update-hook only once,
Eli Zaretskii <=