<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
	<!-- The element "picture" will have attributes for "filename", "x" pixels and "y" pixels -->
	<xsd:element name="picture">
		<xsd:complexType>
			<xsd:simpleContent>
				<xsd:extension base="xsd:anyType">
					<xsd:attribute name="filename" type="xsd:anyURI" use="required"/>
					<xsd:attribute name="x" type="xsd:integer" use="optional"/>
					<xsd:attribute name="y" type="xsd:integer" use="optional"/>
				</xsd:extension>
			</xsd:simpleContent>
		</xsd:complexType>
	</xsd:element>
</xsd:schema>