RE: [ubl-ndrsc] Code lists: discussion kickoff

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
	<xs:element name="Country">
		<xs:annotation>
			<xs:documentation>Country element without an enumerated list</xs:documentation>
		</xs:annotation>
		<xs:complexType>
			<xs:sequence>
				<xs:element name="CountryCode">
					<xs:simpleType>
						<xs:restriction base="xs:string"/>
					</xs:simpleType>
				</xs:element>
				<xs:element name="Country.txt" minOccurs="0">
					<xs:complexType>
						<xs:simpleContent>
							<xs:extension base="xs:string">
								<xs:attribute name="Language" type="xs:language" use="optional" default="en"/>
							</xs:extension>
						</xs:simpleContent>
					</xs:complexType>
				</xs:element>
			</xs:sequence>
			<xs:attribute name="CodeReference" use="required" default="ISO 3166-1">
				<xs:simpleType>
					<xs:restriction base="xs:string">
						<xs:enumeration value="ISO 3166-1"/>
						<xs:enumeration value="Custom"/>
					</xs:restriction>
				</xs:simpleType>
			</xs:attribute>
		</xs:complexType>
	</xs:element>
</xs:schema>