rem: return elem[cond]; 
add: return elem[cond]||elem[clc]; 
context: 			function(cond){				return function(elem){					return elem[cond];				}			} : function(cond){
meta: 4497	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4497/ad961eff02e8f00b4a5696da08b5ab823a90528b/query.js/buggy/_base/query.js