diff --git a/GSWeb.framework/PageDef.g b/GSWeb.framework/PageDef.g
index 78cb6d9..cb030ff 100644
--- a/GSWeb.framework/PageDef.g
+++ b/GSWeb.framework/PageDef.g
@@ -72,7 +72,8 @@ member:
 	;
 
 mname: 
-        (QUESTIONMARK)? (IDENT)
+//        (QUESTIONMARK)? (IDENT)        
+        (QUESTIONMARK | EXCLAMATIONMARK)? (IDENT | STRING)
         ;
 
 //TODO unescapedString
@@ -203,6 +204,9 @@ ASSIGN:	'='
 QUESTIONMARK:	'?'	
 	;
 
+EXCLAMATIONMARK:	'!'	
+	;
+
 WS:
 	( ' '
 	| '\t'