LayoutTests/fast/parser/xml-error-adopted.xml

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xhtml="http://www.w3.org/1999/xhtml">
<script>
if (window.testRunner) {
    testRunner.waitUntilDone();
    testRunner.dumpAsText();
}
</script>

<xhtml:iframe src="javascript:if (top.body = top.document.body) document.implementation.createHTMLDocument().adoptNode(top.body)"/>

<script>
function test() {
    alert(body.ownerDocument === body.firstChild.ownerDocument ? 'PASS' : 'FAIL');
    if (window.testRunner)
        testRunner.notifyDone();
}

setTimeout(test, 0);
</script>
<elt attr="1" attr="2"/>
</svg>