<!DOCTYPE html>
<html>
  <head>
    <link rel="icon" href="data:,">
  </head>
  <body>
    <% for header in request.env.select {|k,v| k.match("^HTTP.*")} %>
      <%=header[0].split("_",2)[1]%>: <%=header[1]%>
    <% end %>
  </body>
</html>
