<anthology>
  <poem>
    <heading/>
    <stanza>
      <line/>
      <line/>
      <line/>
      <line/>
    </stanza>
    <stanza>
      <line/>
      <line/>
      <line/>
      <line/>
    </stanza>
  </poem>
  <poem>
    <heading/>
    <stanza>
      <line/>
      <line/>
      <line/>
      <line/>
    </stanza>
  </poem>
</anthology>
