rem: throw "builder does not support feature " + feature + " version " + version; 
add:    builder.initializationError = "builder does not support feature " + feature + " version " + version; 
context: function checkFeature(feature, version){  if (!builder.hasFeature(feature, version))  {    throw "builder does not support feature " + feature + " version " + version;  }}
meta: 7959	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/7959/056596486fb2832f049429354b7c4c4095f47b9a/DOMTestCase.js/clean/ecmascript/DOMTestCase.js