<!DOCTYPE html>
<html class="reftest-wait">
	<head>
	    <title>menclose left</title>
	        <script type="text/javascript">
	            function doTest() {
	                document.getElementById('testMenclose').removeAttribute("notation");
	                document.documentElement.removeAttribute("class");
	            }
	            window.addEventListener("MozReftestInvalidate",doTest, false);
	        </script>
	</head>
	<body>
	    <p>
	    	<math><menclose id="testMenclose" notation="left"><mspace width="100px" height="50px" mathbackground="blue"></mspace></menclose></math>
        </p>
	</body>
</html>