libxml2-2.7.7/test/relaxng/tutor13_1_1.xml

<doc>
  <p>start</p>
  <table>
    <tr>
      <td> <em>hello</em> !</td>
    </tr>
    <tr>
      <td></td>
    </tr>
  </table>
  <p>end</p>
</doc>