Note that we should file a bug on HTML to make Document.title work properly on SVG documents.
--- a/master/struct.html Thu Nov 29 20:06:19 2012 +0100
+++ b/master/struct.html Tue Dec 04 11:41:06 2012 +1100
@@ -2060,7 +2060,9 @@
will be for the referenced SVG document.
</p>
-<p class="issue">HTML defines title, referrer and domain.</p>
+<p class="issue">HTML defines title, referrer and domain. We should remove
+them and file a bug on HTML to ensure that title does the right thing for
+SVG documents.</p>
<p>For historical reasons, <a>Window</a> objects must also have a writable, configurable,
non-enumerable property named SVGDocument whose value is the <a>Document</a> interface object.</p>