- https://purl.semanticip.org/linked-data/sdmx/ML/WildCardValueType
TTL - simpleType
WildCardValueType is a single value code list, used to include the '%' character - indicating that an entire field is wildcarded.
- SDMXCommon.xsd
<xs:simpleType xmlns:xs="http://www.w3.org/2001/XMLSchema" name="WildCardValueType">
<xs:annotation>
<xs:documentation>WildCardValueType is a single value code list, used to include the '%' character - indicating that an entire field is wildcarded.</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string">
<xs:enumeration value="%">
<xs:annotation>
<xs:documentation>Indicates a wild card value.</xs:documentation>
</xs:annotation>
</xs:enumeration>
</xs:restriction>
</xs:simpleType>