<?xml version='1.0' encoding='UTF-8'?>
<xs:schema targetNamespace='http://www.w3.org/XML/1998/namespace'
           xmlns:xs='http://www.w3.org/2001/XMLSchema'>
  <xs:attribute name='space'>
    <xs:simpleType>
      <xs:restriction base='xs:NMTOKEN'>
	<xs:enumeration value='default'/>
	<xs:enumeration value='preserve'/>
      </xs:restriction>
    </xs:simpleType>
  </xs:attribute>
  <xs:attribute name='lang' type='xs:language'/>
  <xs:attribute name='base' type='xs:anyURI'/>
</xs:schema>
