the assertions below should pass.</p>
<div style="width: 800px; height: 200px;">
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="100%" height="100%">
<font>
<font-face font-family="xyzzy" units-per-em="100" ascent="100" descent="500">
</font-face>