rem: return this.select(function(value) { return value != undefined || value != null; }); 
add: }).sort(function(left, right) { var a = left.criteria, b = right.criteria; return a < b ? -1 : a > b ? 1 : 0; }).pluck('value'); 
context:     return this.select(function(value) {      return value != undefined || value != null;    });
meta: 1206	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/1206/81ea0800bc8ad92d491743716cd489cad7333723/prototype.js/buggy/vendor/rails/railties/html/javascripts/prototype.js