XML Tutorial/XML Schema/gYear
The gYear datatype represents a Gregorian year
<source lang="xml">
<xsd:element name="interval">
<xsd:simpleType> <xsd:restriction base="xsd:gYear"> <xsd:minInclusive value="1776"/> <xsd:maxInclusive value="1976"/> </xsd:restriction> </xsd:simpleType>
</xsd:element>
<interval>1842</interval></source>