;(function(){
	var elements = '\
		article,aside,audio,canvas,command,\
		datalist,details,embed,figcaption,\
		figure,footer,header,hgroup,keygen,\
		mark,meter,nav,output,progress,rp,\
		rt,ruby,section,source,summary,time,\
		video,wbr\
		'.split(/\s*,\s*/);
	for (var i = 0; i < elements.length; i++) {
		document.createElement(elements[i]);
	}
})();