PKIT_IS_ERROR — Used to display messages only if it is a errormessage.
<PKIT_HAVE_MESSAGES>
Here are some error messages for you: <p>
<PKIT_MESSAGES>
<PKIT_IS_ERROR>
<PKIT_MESSAGE>
</PKIT_IS_ERROR>
</PKIT_MESSAGES>
</p>
</PKIT_HAVE_MESSAGES>
Used to display messages only if it is a errormessage. Or display errors and warnings in different places.