Fix customization type of `org-tag-alist', to match James' patch.

lisp/ChangeLog

@@ -1,3 +1,7 @@
+2009-10-23  Carsten Dominik  <carsten.dominik@gmail.com>
+
+	* org.el (org-tag-alist): Fix customization type.
+
 2009-10-22  Carsten Dominik  <carsten.dominik@gmail.com>
 
 	* org-mobile.el (org-mobile-update-checksum-for-capture-file):

lisp/org.el

@@ -2283,8 +2283,12 @@ See the manual for details."
 	  (choice
 	   (cons   (string    :tag "Tag name")
 		   (character :tag "Access char"))
-	   (const :tag "Start radio group" (:startgroup))
-	   (const :tag "End radio group" (:endgroup))
+	   (list :tag "Start radio group"
+		 (const :startgroup)
+		 (option (string :tag "Group description")))
+	   (list :tag "End radio group"
+		 (const :endgroup)
+		 (option (string :tag "Group description")))
 	   (const :tag "New line" (:newline)))))
 
 (defcustom org-tag-persistent-alist nil