rem: fragments.each((function(fragment) { this.element.appendChild(fragment); }).bind(this)); 
add: return $A(children).inject([], function(elements, child) { if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) elements.push(Element.extend(child)); return elements; }); 
context:     fragments.each((function(fragment) {      this.element.appendChild(fragment);    }).bind(this));
meta: 6601	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/6601/28b3187d07d97712c23182569a4d6fd00900b5f7/prototype.js/buggy/javascript/prototype/prototype.js