gecko-dev/layout/xul/crashtests/536931-1.xhtml

<html xmlns="http://www.w3.org/1999/xhtml">
<listbox id="listbox" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"><tab/></listbox>
<script>window.addEventListener("load", function() { document.documentElement.appendChild(document.getElementById("listbox")); }, false);</script>
</html>
Bug 536931. Check whether we found a content node before trying to get its primary frame. r=dbaron 2009-12-28 22:47:27 +03:00			`<html xmlns="http://www.w3.org/1999/xhtml">`
			`<listbox id="listbox" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"><tab/></listbox>`
			`<script>window.addEventListener("load", function() { document.documentElement.appendChild(document.getElementById("listbox")); }, false);</script>`
			`</html>`