Merge from emacs-23

lisp/emacs-lisp/checkdoc.el

@@ -1798,7 +1798,9 @@ Replace with \"%s\"? " original replace)
        (let ((found nil) (start (point)) (msg nil) (ms nil))
 	 (while (and (not msg)
 		     (re-search-forward
-		      "[^-([`':a-zA-Z]\\(\\w+[:-]\\(\\w\\|\\s_\\)+\\)[^]']"
+		      ;; Ignore manual page refereces like
+		      ;; git-config(1).
+		      "[^-([`':a-zA-Z]\\(\\w+[:-]\\(\\w\\|\\s_\\)+\\)[^](']"
 		      e t))
 	   (setq ms (match-string 1))
 	   ;; A . is a \s_ char, so we must remove periods from

lisp/emacs-lisp/re-builder.el

@@ -243,7 +243,7 @@ Except for Lisp syntax this is the same as `reb-regexp'.")
 		  :help "Quit the RE Builder mode"))
     (define-key menu-map [rt]
       '(menu-item "Case sensitive" reb-toggle-case
-		  :button (:toggle . case-fold-search)
+		  :button (:toggle . (null case-fold-search))
 		  :help "Toggle case sensitivity of searches for RE Builder target buffer"))
     (define-key menu-map [rb]
       '(menu-item "Change target buffer..." reb-change-target-buffer