rem: return (ex.code = code); 
add: return (ex.code == code); 
context:   function MozXMLDocumentBuilder_isDOMExceptionCode(ex, code) {    return (ex.code = code);  }
meta: 7959	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7959/9ad569eb33627608e74e6c359fccf98250360822/DOMTestCase.js/clean/ecmascript/DOMTestCase.js