* lisp/url/url-vars.el (url-mime-separator-chars): Fix last cosmetic change

diff --git a/lisp/url/url-vars.el b/lisp/url/url-vars.el
index de42599e0d464a6fde28f0160ccc4dc10797e4a2..859a5c75ed3e91676414ec90939d8f0d5e551b6b 100644 (file)
--- a/lisp/url/url-vars.el
+++ b/lisp/url/url-vars.el
@@ -205,7 +205,8 @@ from the ACCESS_proxy environment variables."
 
 (defvar url-mime-separator-chars (append "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
                                         "abcdefghijklmnopqrstuvwxyz"
-                                        "0123456789'()+_,-./=?")
+                                        "0123456789'()+_,-./=?"
+                                        nil)
   "Characters allowable in a MIME multipart separator.")
 
 (defcustom url-bad-port-list