From: Eli Zaretskii <eliz@gnu.org>
Date: Mon, 21 Jul 2025 10:41:18 +0000 (+0300)
Subject: ; * lisp/simple.el (shell-command): Fix last change (bug#79067).
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=2ab39cc263147b7569199915fcee9f2158f3b7b2;p=emacs.git

; * lisp/simple.el (shell-command): Fix last change (bug#79067).

(cherry picked from commit 527dc4fafff13a86cc1b9c6dfc174c592a29b566)
---

diff --git a/lisp/simple.el b/lisp/simple.el
index 62130ce1cf3..d362c0c8272 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -4577,7 +4577,8 @@ impose the use of a shell (with its need to quote arguments)."
 	;; Output goes in a separate buffer.
 	(if (string-match "[ \t]*&[ \t]*\\'" command)
 	    ;; Command ending with ampersand means asynchronous.
-            (let* ((_ (or (bufferp output-buffer)
+            (let* ((_ (or (null output-buffer)
+                          (bufferp output-buffer)
                           (stringp output-buffer)
                           (error "Asynchronous shell commands cannot output to current buffer")))
                    (buffer (get-buffer-create