tests/conf/select/select83.xml

<?xml version="1.0"?>
<doc x="on-doc">
  <a x="on-a">in-a</a>
  <b x="on-b">
    <bb NO="on-bb">
      <bbb x="on-bbb"/>
    </bb>
  </b>
  <c x="on-c">in-c</c>
</doc>