rem: return arg[_27]; 
add: return arg[_31]; 
context: },itemgetter:function(_27){return function(arg){return arg[_27];};},typeMatcher:function(){
meta: 8607	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8607/8b42fb2ed090da7f1e336726dcb69d2649658e7c/MochiKit.js/clean/trunk/lib/MochiKit.js