<!DOCTYPE html>
<html>
  <head>
    <title>CommonMark dingus</title>
    <meta http-equiv="refresh" content="0;URL='/dingus.html" >
  </head>
  <body>
    <p>The most recent version of the CommonMark dingus can be found
at <a 
  href="http://try.commonmark.org/dingus.html/">/dingus.html/</a>.</p>
  </body>
</html>