rem: values.each(function(value) { value = value != undefined ? encodeURIComponent(value) : ''; parts.push(key + '=' + encodeURIComponent(value)); }); 
add: return this.select(function(value) { return value != null; }); 
context:           values.each(function(value) {            value = value != undefined ? encodeURIComponent(value) : '';            parts.push(key + '=' + encodeURIComponent(value));          });
meta: 8434	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8434/6873fc8026e87544ee93e0d9551ae57083313cff/prototype.js/buggy/vendor/rails/actionpack/lib/action_view/helpers/javascripts/prototype.js