|  | <html xmlns="http://www.w3.org/1999/xhtml"> | 
|  | <head> | 
|  | <title>innerHTML in XHTML</title> | 
|  | <link rel="author" title="Simon Pieters" href="mailto:simonp@opera.com"/> | 
|  | <link rel="author" title="Ms2ger" href="mailto:ms2ger@gmail.com"/> | 
|  | <link rel="help" href="http://html5.org/specs/dom-parsing.html#dom-innerhtml"/> | 
|  | <link rel="help" href="http://www.whatwg.org/html5/#xml-fragment-serialization-algorithm"/> | 
|  | <script src="/resources/testharness.js"></script> | 
|  | <script src="/resources/testharnessreport.js"></script> | 
|  | </head> | 
|  | <body> | 
|  | <div id="log"></div> | 
|  | <iframe src="data:text/xml,<html xmlns='http://www.w3.org/1999/xhtml'><foo--/></html>"></iframe> | 
|  | <script><![CDATA[ | 
|  | var t = async_test(); | 
|  | window.onload = t.step_func(function() { | 
|  | var foo = window[0].document.documentElement.firstChild; | 
|  | assert_throws_dom('SyntaxError', function() { | 
|  | foo.innerHTML = 'x<\/foo--><\!--y'; | 
|  | // This is ridiculous. | 
|  | }); | 
|  | t.done(); | 
|  | }); | 
|  | ]]></script> | 
|  | </body> | 
|  | </html> |