xs:NMTOKENS

<xs:simpleType name="NMTOKENS" id="NMTOKENS">
  <xs:annotation>
    <xs:appinfo>
      <hfp:hasFacet name="length"/>
      <hfp:hasFacet name="minLength"/>
      <hfp:hasFacet name="maxLength"/>
      <hfp:hasFacet name="enumeration"/>
      <hfp:hasFacet name="whiteSpace"/>
      <hfp:hasFacet name="pattern"/>
      <hfp:hasProperty name="ordered" value="false"/>
      <hfp:hasProperty name="bounded" value="false"/>
      <hfp:hasProperty name="cardinality" value="countably infinite"/>
      <hfp:hasProperty name="numeric" value="false"/>
    </xs:appinfo>
    <xs:documentation source="http://www.w3.org/TR/xmlschema-2/#NMTOKENS"/>
  </xs:annotation>
  <xs:restriction>
    <xs:simpleType>
      <xs:list itemType="xs:NMTOKEN"/>
    </xs:simpleType>
    <xs:minLength value="1" id="NMTOKENS.minLength"/>
  </xs:restriction>
</xs:simpleType>