--- a/Allura/allura/templates/oembed/html_tpl.html
+++ b/Allura/allura/templates/oembed/html_tpl.html
@@ -1,10 +1,7 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
                       "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml"
-      xmlns:py="http://genshi.edgewall.org/"
-      xmlns:xi="http://www.w3.org/2001/XInclude"
-      py:strip="True">
-  <body py:strip="True">
-    ${Markup(data.html)}
+<html>
+  <body>
+    {{data.html|safe}}
   </body>
 </html>