rem: value_of($type(arguments)).should_be('arguments'); 
add: value_of($type(arguments)).should_be((window.opera) ? 'array' : 'arguments'); 
context: 	for_arguments: function(){		value_of($type(arguments)).should_be('arguments');	},
meta: 7826	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7826/0ac0c66483ba65dbe1e2926291da730ee0a942b7/Core.js/clean/Spec/Core/Core.js