<html>
<head>
    <script type="text/javascript">
    function runTest()
    {
        if (window.testRunner)
            testRunner.dumpAsText();

        var ns = 'http://www.w3.org/1999/xhtml';
        var xhtml = document.implementation.createDocument(ns , 'html', null);

        var p = xhtml.createElementNS(ns, 'p');
        p.textContent = '(0 < 1 && 1 > 0)';
        xhtml.documentElement.appendChild(p);

        var script = xhtml.createElementNS(ns, 'script');
        script.textContent = 'if (0 < 1 && 1 > 0) { };';
        xhtml.documentElement.appendChild(script);

        var style = xhtml.createElementNS(ns, 'style');
        style.textContent = '/* < > & */';
        xhtml.documentElement.appendChild(style);

        var serializer = new XMLSerializer();
        var xmlString = serializer.serializeToString(xhtml);

        var outputText = document.getElementById("output");
        outputText.textContent = xmlString;
    }
    </script>
</head>
    <body onload="runTest()">
        <div id="output"/>
    </body>
</html>