/XMLGregorianCalendar.html" title="class in javax.xml.datatype"><CODE>XMLGregorianCalendar</CODE></A>
   or if the composite values constitute an invalid <code>XMLGregorianCalendar</code> instance
   as determined by <A HREF="../../../javax/xml/datatype/XMLGregorianCalendar.html#isValid()"><CODE>XMLGregorianCalendar.isValid()</CODE></A>.<DT><B>See Also:</B><DD><A HREF="../../../javax/xml/datatype/DatatypeConstants.html#FIELD_UNDEFINED"><CODE>DatatypeConstants.FIELD_UNDEFINED</CODE></A></DL>
</DD>
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