is this switch valid?

is this switch valid?

the validator is barphing* on the attached SVG sample**.
some code has been removed to help identify the issue

or should I file a bug?

regards

Jonathan Chetwynd
Accessibility Consultant on Media Literacy and the Internet

**
   <switch>
<g  requiredExtensions="http://example.com/SVGExtensions/EmbeddedXHTML">
     <foreignObject width="100" height="50">
     </foreignObject>
</g>
     <text font-size="10" font-family="Verdana">
     </text>
   </switch>

---

* Line 26, Column 3: end tag for "switch" omitted, but OMITTAG NO was  
specified.
</g>
You may have neglected to close an element, or perhaps you meant to  
"self-close" an element, that is, ending it with "/>" instead of ">".
  Line 22, Column 4: start tag was here.
     <foreignObject width="100" height="50">