rem: values.each(function(value) { value = value != undefined ? encodeURIComponent(value) : ''; parts.push(key + '=' + encodeURIComponent(value)); }); 
add: this.each(function(object) { var value = Object.toJSON(object); if (value !== undefined) results.push(value); }); 
context:           values.each(function(value) {            value = value != undefined ? encodeURIComponent(value) : '';            parts.push(key + '=' + encodeURIComponent(value));          });
meta: 7608	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7608/d556a0875c83645645bd2067594241546d26d052/prototype.js/buggy/web/js/prototype.js