From: Richard M. Stallman <rms@gnu.org>
Date: Tue, 23 Jul 2002 19:08:14 +0000 (+0000)
Subject: (Fmessage): Treat "" like nil.
X-Git-Tag: archive/raspbian/1%29.2+1-2+rpi1~1^2~31415
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:/?a=commitdiff_plain;h=e8f20b77af5e9333a4bae27d6f6ed4ea5ae9dd16;p=emacs.git

(Fmessage): Treat "" like nil.
---

diff --git a/src/editfns.c b/src/editfns.c
index 2244668649e..e8b12d76a3c 100644
--- a/src/editfns.c
+++ b/src/editfns.c
@@ -2918,7 +2918,9 @@ usage: (message STRING &rest ARGS)  */)
      int nargs;
      Lisp_Object *args;
 {
-  if (NILP (args[0]))
+  if (NILP (args[0])
+      || (STRINGP (args[0])
+	  && SBYTES (args[0]) == 0))
     {
       message (0);
       return Qnil;