rem: } 
add: }; 
context:     function isButton(event, code) {      return event.which ? (event.which === code + 1) : (event.button === code);    }
meta: 3332	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3332/d114e76e979a994b44a52ec23fb50499e84dcbfb/event.js/buggy/src/event.js