XML/XML Schema/language
language type attribute
<source lang="xml">
File: Data.xml <?xml version="1.0"?> <addr:address xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.wbex.ru Schema.xsd" xmlns:addr="http://www.wbex.ru" addr:language="en">
</addr:address> File: Schema.xsd <?xml version="1.0"?> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.wbex.ru" xmlns:addr="http://www.wbex.ru" attributeFormDefault="qualified" elementFormDefault="qualified"> <xsd:element name="address"> <xsd:complexType mixed="true"> <xsd:simpleContent> <xsd:extension base="xsd:string"> <xsd:attributeGroup ref="addr:nationality"/> </xsd:extension> </xsd:simpleContent> </xsd:complexType> </xsd:element> <xsd:attributeGroup name="nationality"> <xsd:attribute name="language" type="xsd:language"/> </xsd:attributeGroup>
</xsd:schema>
</source>
Restriction on xs:language
<source lang="xml">
File: Data.xml <?xml version="1.0"?>
en
File: Schema.xsd <?xml version="1.0"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.wbex.ru" xmlns="http://www.wbex.ru" elementFormDefault="qualified"> <xs:element name="data" type="supportedLanguages"/>
<xs:simpleType name="supportedLanguages"> <xs:restriction base="xs:language"> <xs:enumeration value="en" /> <xs:enumeration value="es" /> </xs:restriction> </xs:simpleType>
</xs:schema>
</source>