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

[Eli Zaretskii]

> 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.