The ovf-section.xsd Schema

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema
  targetNamespace="/var/opt/SUNWldom/envelope"
  xmlns:ovf="/var/opt/SUNWldom/envelope"
  xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:import namespace="http://www.w3.org/XML/1998/namespace"
    schemaLocation="http://www.w3.org/2001/xml.xsd"/>
 
  <!-- The base class for a section. Subclassing this is the most common form of extensibility -->
  <xs:complexType name="Section_Type" abstract="true">
    <xs:sequence>
      <!-- The info element specifies the meaning of the section. This is typically shown
        if the section is not understood by the importer -->
      <xs:element name="Info" type="ovf:Info_Type" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  <!-- Whether the import should fail or not, if the section is not understood -->
    <xs:attribute name="required" type="xs:boolean" use="optional"/>
    <xs:anyAttribute namespace="##any"/>
    <!-- Subtypes defines more specific elements -->
  </xs:complexType>
 
  <!-- A basic type for a localizable string -->
  <xs:complexType name="Info_Type">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute ref="xml:lang"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
</xs:schema>