<xs:simpleType name="Unit" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:annotation>
    <xs:documentation xml:lang="de">Einheit</xs:documentation>
    <xs:documentation xml:lang="en">Unit </xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:string">
    <xs:maxLength value="3" />
    <xs:minLength value="1" />
  </xs:restriction>
</xs:simpleType>