<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
 <head>
  <title>overflow on non-HTML body not should propagate to the viewport</title>
  <style>
   html { overflow:visible; }
   body { display:block; overflow:scroll; width:10em; height:10em; border:thin solid; color:navy; }
   .filler { color:gray; }
  </style>
 </head>
 <body xmlns="urn:foo:bogus">
  <p xmlns="http://www.w3.org/1999/xhtml">There should be scrollbars for this box -- not for the viewport.</p>
  <p xmlns="http://www.w3.org/1999/xhtml" class="filler">This is filler text.</p>
  <p xmlns="http://www.w3.org/1999/xhtml" class="filler">This is filler text.</p>
  <p xmlns="http://www.w3.org/1999/xhtml" class="filler">This is filler text.</p>
  <p xmlns="http://www.w3.org/1999/xhtml" class="filler">This is filler text.</p>
 </body>
</html>