<content>this is the main content <![CDATA[[and this <cdata> entry must be handled properly by xml parser lib]]></content>
<published>1012325463</published>
<subject>note how field/attr tags can be in <b class="red">randomized</b> order</subject>

I suggest removing the HTML tags in subject data, or wrap the subject in CDATA. At the moment the example XMLPipe2 content is not valid syntax, which is very confusing

<content>this is the main content <![CDATA[[and this <cdata> entry must be <b class="red">handled properly</b> by xml parser lib]]></content>
<published>1012325463</published>
<subject>note how field/attr tags can be in randomized order</subject>