Re: [PATCH] change dired--find-possibly-alternative-file behaviour.

[Eli Zaretskii]

> From: Felix <felix.dick@web.de>
> Date: Sat, 25 Feb 2023 20:43:57 +0100
> 
> diff --git a/lisp/dired.el b/lisp/dired.el
> index 76499d0f520..620508bef4f 100644
> --- a/lisp/dired.el
> +++ b/lisp/dired.el
> @@ -2728,7 +2728,8 @@ dired-find-file
>  (defun dired--find-possibly-alternative-file (file)
>    "Find FILE, but respect `dired-kill-when-opening-new-dired-buffer'."
>    (if (and dired-kill-when-opening-new-dired-buffer
> -           (file-directory-p file))
> +           (file-directory-p file)
> +           (= (length (get-buffer-window-list)) 1))
>        (progn
>          (set-buffer-modified-p nil)
>          (dired--find-file #'find-alternate-file file))

What if get-buffer-window-list returns nil?