Bug in http://tests.xproc.org/documentation/testsuite.html#t.pipeline

In http://tests.xproc.org/documentation/testsuite.html#t.pipeline

There is some strange tags appearing

<t:pipeline>

<div class="unknowntag">
<font color="red"><grammar></font>
<div class="unknowntag">
<font color="red"><include href="xproc.rng"></font>
<font color="red"></include></font>
</div>
<font color="red"></grammar></font>
</div>

</t:pipeline>

Xmlizer