<badXML>
    <myText>blah blah <a href="blah.com">link</a></myText>
</badXML>

<!--
the above wont work cuz it will just thing the <a> tag is a new xml node

below works because CDATA tells it that that not a new xml node, just text data (that flash will recognize is html)
-->

<goodXML>
    <myText><![CDATA[blah blah <a href="blah.com">link</a>]]></myText>
</goodXML>