(semantic-grammar--lex-delim-spec): All errors should have messages.

lisp/ChangeLog

 2009-10-17  Glenn Morris  <rgm@gnu.org>
 
+	* cedet/semantic/grammar.el (semantic-grammar--lex-delim-spec):
+	All errors should have messages.
+
 	* foldout.el (foldout-mouse-swallow-events):
 	* gs.el (gs-load-image): Replace obsolete forms of sit-for, sleep-for.
 

lisp/cedet/semantic/grammar.el

@@ -690,7 +690,7 @@ The symbols in the list are local variables in
                  (car delim-spec) (symbolp (car delim-spec))
                  (cadr delim-spec) (symbolp (cadr delim-spec)))
             delim-spec
-          (error)))
+          (error "Invalid delimiter")))
     (error
      (error "Invalid delimiters specification %s in block token %s"
             (cdr block-spec) (car block-spec)))))