mei:mei_data.STEMDIRECTION.basic

<xs:simpleType name="mei_data.STEMDIRECTION.basic">
  <xs:restriction base="xs:token">
    <xs:enumeration value="up">
      <xs:annotation>
        <xs:documentation>Stem points upwards.</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="down">
      <xs:annotation>
        <xs:documentation>Stem points downwards.</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>