Re: [PATCH] Re: Should (buffer-list) ever return killed buffers?

[Eli Zaretskii]

> Cc: cpitclaudel@gmail.com, monnier@iro.umontreal.ca, emacs-devel@gnu.org
> From: martin rudalics <rudalics@gmx.at>
> Date: Mon, 24 May 2021 16:50:48 +0200
> 
>  >> + (unless (or (nill bufname)
>  >> +             (eq (aref bufname 0) ?\s) ;; Don't kill internal buffers
>  >>                       (string-match-p preserve-regexp bufname))
>  >>             (kill-buffer buffer)))))
>  >>     (delete-other-windows)
>  >
>  > AFAICT, kill-buffer already is a no-op when the buffer is dead.  So
>  > what exactly does this fix?  (Apologies if I'm missing something: I
>  > cannot say that I've read all the discussions in this thread to the
>  > last detail.)
> 
> Sergey never told us but it's likely `aref' choking on nil.

Then why not use buffer-live-p?