<html xmlns:py="http://genshi.edgewall.org/" 
      xmlns:xi="http://www.w3.org/2001/XInclude"
      py:strip=""
      >
  <py:def function="page_title">Graph - ${c.label}</py:def>
  <py:def function="optional_head">
    <py:for each="style in c.stylesheets">
      <link rel="stylesheet" href="${style}" type="text/css" />
    </py:for>
  </py:def>
  <py:def function="subnav">
    <li>${c.label}</li>
  </py:def>
  <div py:match="content">
    ${c.content}
  </div>
  <xi:include href="base.html" />
</html>
