Defines a version number format.
| Namespace | urn:schemas-microsoft-com:office:office | 
| Schema name | Common Properties | 
      
<xsd:simpleType name="versionType" >
  <xsd:restriction base="xsd:string">
    <xsd:pattern value="[0-9]?[0-9].[0-9]{4}"></xsd:pattern>
  </xsd:restriction>
</xsd:simpleType>