mei:mei_data.STAFFREL

<xs:simpleType name="mei_data.STAFFREL">
  <xs:restriction base="xs:token">
    <xs:enumeration value="above">
      <xs:annotation>
        <xs:documentation>Written above staff.</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="below">
      <xs:annotation>
        <xs:documentation>Written below staff.</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="within">
      <xs:annotation>
        <xs:documentation>Written on staff.</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>