is a string or a function, as documented and implemented on 2010-04-02.
+2010-04-27 Sam Steingold <sds@gnu.org>
+
+ * progmodes/bug-reference.el (bug-reference-url-format): Mark as
+ `safe-local-variable' if the value is a string or a function, as
+ documented and implemented on 2010-04-02.
+
2010-04-27 Juanma Barranquero <lekktu@gmail.com>
* ido.el (ido-buffer-internal): Bind `ido-use-virtual-buffers' to nil
There is no default setting for this, it must be set per file.")
;;;###autoload
-(put 'bug-reference-url-format 'safe-local-variable 'stringp)
+(put 'bug-reference-url-format 'safe-local-variable
+ (lambda (s) (or (stringp s) (functionp s))))
(defconst bug-reference-bug-regexp
"\\([Bb]ug ?#\\|[Pp]atch ?#\\|RFE ?#\\|PR [a-z-+]+/\\)\\([0-9]+\\)"