mei:mei_data.MENSURATIONSIGN

<xs:simpleType name="mei_data.MENSURATIONSIGN">
  <xs:restriction base="xs:token">
    <xs:enumeration value="C">
      <xs:annotation>
        <xs:documentation>Tempus imperfectum.</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="O">
      <xs:annotation>
        <xs:documentation>Tempus perfectum.</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>