bug#68679: 30.0.50; Burying a buffer shows an already displayed buffer

[Eli Zaretskii]

> From: Sam Steingold <sds@gnu.org>
> Date: Tue, 23 Jan 2024 19:11:53 -0500
> 
> ISTR that quit-window and bury-buffer made sure that the
> replacement/newly displayed buffer is not shown in any other window (at
> least that was my intention when I wrote quit-window many years ago).
> 
> Right now I see that C-x b (switch-to-buffer) offers a good candidate
> (IOW, other-buffer returns a buffer that is not currently shown), but
> both quit-window and bury-buffer replace the current buffer with one
> that is already displayed in another window in the current frame.
> 
> Is there a way to restore the original behavior of never displaying an
> already visible buffer?
> 
> Is this a (known) bug?

Where did you see such promises from these two commands?

Adding Martin, in case he has some comments and pointers.