<?xml version="1.0" encoding="UTF-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <!-- definition of attributes -->
  <xs:attribute name="id" type="xs:string"/>
  <xs:attribute name="value" type="xs:string"/>

  <!-- definition of complex elements -->
  <xs:element name="entry">
    <xs:complexType>
      <xs:simpleContent>
	<xs:extension base="xs:string">
	  <xs:attribute name="id" use="required"/>
	  <xs:attribute name="value"  use="required"/>
	</xs:extension>
      </xs:simpleContent>
    </xs:complexType>
  </xs:element>

  <xs:element name="config_definition">
    <xs:complexType>
      <xs:sequence>
	<xs:element ref="entry" minOccurs="0" maxOccurs="unbounded"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

</xs:schema>