<xs:simpleType name="StackType" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:annotation>
    <xs:documentation xml:lang="de">Art der Stapelung </xs:documentation>
    <xs:documentation xml:lang="en">Type of stack </xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:string">
    <xs:maxLength value="3" />
  </xs:restriction>
</xs:simpleType>