<schema>
  <table>
    <name>MyTable</name>
    <summary>A short summary</summary>
    <description>A long description that may
      contain a subset of HTML</description>
    <column>
      <name>MyColumn1</name>
      <summary>A short summary</summary>
      <description>A long description</description>
      <unique/>
      <non-null/>
      <default>42</default>
    </column>
  </table>
</schema>