anchor.diff:      http://dev.w3.org/2006/webapi/WebIDL/
   
       Web IDL (Second Edition)
  -    W3C Editor's Draft 26 March 2013
  +    W3C Editor's Draft 02 August 2013
    */
   grammar WebIDL;
   
  
positive.code: ;
  
  typedef
  	: 'typedef' extendedAttributeList type IDENTIFIER_WEBIDL ';'
  ;
  
  implementsStatement
  
negative.code: 	| /* empty */
  ;
  
  stringifier
  	: 'stringifier' stringifierRest
  ;
  
  stringifierRest
  	: attributeRest
  	| returnType operationRest
  	| ';'
  ;
  
  staticMember
  	: 'static' staticMemberRest
  ;
  
  staticMemberRest
  	: attributeRest
  	| returnType operationRest
  ;
  
  attribute
  