<xsd:attribute name="LOCTYPE" use="required"><xsd:annotation><xsd:documentation xml:lang="en">LOCTYPE (string/R): Specifies the locator type used in the xlink:href attribute. Valid values for LOCTYPE are: ARK URN URL PURL HANDLE DOI OTHER</xsd:documentation></xsd:annotation><xsd:simpleType><xsd:restriction base="xsd:string"><xsd:enumeration value="ARK"/><xsd:enumeration value="URN"/><xsd:enumeration value="URL"/><xsd:enumeration value="PURL"/><xsd:enumeration value="HANDLE"/><xsd:enumeration value="DOI"/><xsd:enumeration value="OTHER"/></xsd:restriction></xsd:simpleType></xsd:attribute>
OTHERLOCTYPE (string/O): Specifies the locator type when the value OTHER is used in the LOCTYPE attribute. Although optional, it is strongly recommended when OTHER is used.
<xsd:attribute name="OTHERLOCTYPE" type="xsd:string" use="optional"><xsd:annotation><xsd:documentation xml:lang="en">OTHERLOCTYPE (string/O): Specifies the locator type when the value OTHER is used in the LOCTYPE attribute. Although optional, it is strongly recommended when OTHER is used.</xsd:documentation></xsd:annotation></xsd:attribute>
OTHERLOCTYPE (string/O): Specifies the locator type when the value OTHER is used in the LOCTYPE attribute. Although optional, it is strongly recommended when OTHER is used.
Source
<xsd:attributeGroup name="LOCATION"><xsd:attribute name="LOCTYPE" use="required"><xsd:annotation><xsd:documentation xml:lang="en">LOCTYPE (string/R): Specifies the locator type used in the xlink:href attribute. Valid values for LOCTYPE are: ARK URN URL PURL HANDLE DOI OTHER</xsd:documentation></xsd:annotation><xsd:simpleType><xsd:restriction base="xsd:string"><xsd:enumeration value="ARK"/><xsd:enumeration value="URN"/><xsd:enumeration value="URL"/><xsd:enumeration value="PURL"/><xsd:enumeration value="HANDLE"/><xsd:enumeration value="DOI"/><xsd:enumeration value="OTHER"/></xsd:restriction></xsd:simpleType></xsd:attribute><xsd:attribute name="OTHERLOCTYPE" type="xsd:string" use="optional"><xsd:annotation><xsd:documentation xml:lang="en">OTHERLOCTYPE (string/O): Specifies the locator type when the value OTHER is used in the LOCTYPE attribute. Although optional, it is strongly recommended when OTHER is used.</xsd:documentation></xsd:annotation></xsd:attribute></xsd:attributeGroup>