<xs:element name="DateAndTime" >
  <xs:annotation>
    <xs:documentation>
================================= DateAndTime ==================================
A formal representation of a date and, optionally, time, expressed in ISO 8601
Basic Format, as described in the comment to the DateAndTime attribute within
the assignment ENTITY declaration above.
================================================================================

      </xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attributeGroup ref="localid"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
</xs:element>