<?xml version="1.0"?>
<doc>
  <div>
    <subdiv allow="no">
      <title>Introduction</title>
      <p>Intro Section.</p>
    </subdiv>
  </div>
  
  <div allow="yes">
    <subdiv>
      <title>Stylesheet Structure</title>
      <p>SS Section.</p>
    </subdiv>
  </div>
  
  <div allow="yes">
    <subdiv>
      <title>Expressions</title>
      <p>Exp Section.</p>
    </subdiv>
  </div>
</doc>