rem: var cont = function(r) { res = r; } 
add: var cont = function(r) {    if(r == undefined) r = {}; res = r; } 
context:         var cont = function(r) { res = r; }
meta: 3248	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3248/94aef411c537e0a7da6ac3988523d04eec7d7e99/jslib.js/buggy/lib/js/jslib.js