<xs:complexType name="CharacteristicDefinitionsType">
  <xs:annotation>
    <xs:documentation>The CharacteristicDefinitionsType defines a list of characteristic definitions.</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element ref="CharacteristicDefinition" maxOccurs="unbounded">
      <xs:annotation>
        <xs:documentation>Each CharacteristicDefinition element gives information about a characteristic.</xs:documentation>
      </xs:annotation>
    </xs:element>
  </xs:sequence>
  <xs:attribute name="n" type="NaturalType" use="required">
    <xs:annotation>
      <xs:documentation>The required n attribute is the number of characteristic definitions in this set.</xs:documentation>
    </xs:annotation>
  </xs:attribute>
</xs:complexType>

<xs:attribute name="n" type="NaturalType" use="required">
  <xs:annotation>
    <xs:documentation>The required n attribute is the number of characteristic definitions in this set.</xs:documentation>
  </xs:annotation>
</xs:attribute>