return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) { var selector = new Selector(expr); return results.inject([], function(elements, result) { return elements.concat(selector.findElements(result || element)); }); }); 
this.element.className.split(/\s+/).select(function(name) { return name.length > 0; })._each(iterator); 
      return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null], function(results, expr) {        var selector = new Selector(expr);        return results.inject([], function(elements, result) {          return elements.concat(selector.findElements(result || element));        });      });
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/110aa6ceb19f486c3930285023b66d3f23fdf6c4/prototype.js/buggy/wp-includes/js/prototype.js