#data
<dl xmlns="http://www.w3.org/1999/xhtml">
  <div>
    <dt>xxyz</dt>
    <dd>abc</dd>
  </div>
  <div>
    <dt>xxyz</dt>
    <dd>abc</dd>
  </div>
</dl>
#errors
/dl/div/dt;duplicate dl name;s

#data
<dl xmlns="http://www.w3.org/1999/xhtml">
  <div>
    <dt>x<span>x</span>yz</dt>
    <dd>abc</dd>
  </div>
  <div>
    <dt>xxyz</dt>
    <dd>abc</dd>
  </div>
</dl>
#errors
/dl/div/dt;duplicate dl name;s