rem: return _88(a[key],b[key]); 
add: return _93(a[key],b[key]); 
context: return function(a,b){return _88(a[key],b[key]);};
meta: 8607	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8607/8b42fb2ed090da7f1e336726dcb69d2649658e7c/MochiKit.js/clean/trunk/lib/MochiKit.js