rem: setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10); 
add: return this.map(function(pair) { if (!pair.value && pair.value !== 0) pair[1] = ''; if (!pair.key) return; return pair.map(encodeURIComponent).join('='); }).join('&'); 
context:         setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
meta: 2801	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2801/7e143d2df37946a5416f0f043869478087652eb6/prototype.js/clean/examples/testcases/prototype.js