rem: f.apply(this, arguments); 
add: return f.apply(this, arguments); 
context: 			var handler = function() {				// unbind itself when executed				element.unbind(o, handler);				element = null;				// apply original handler with the same arguments				f.apply(this, arguments);			};
meta: 5264	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5264/a8bafe78745247dd13e3472582df29471e50aa28/event.js/clean/src/event/event.js