fix regression in syntax embedding of WebDSL in Stratego, caused by new TemplateArgExp production in syntax
fix regression in syntax embedding of WebDSL in Stratego, caused by new TemplateArgExp production in syntax

svn path=/webdsls/trunk/; revision=5987

webdsl/webdsl,webdsl/webdsl,webdsl/webdsl,webdsl/webdsl