<DocumentDefinition>
  <name>_test_read_only</name>

  <element><name>a</name></element>  

  <nested_element>
    <name>b</name>
    <element><name>b_1</name></element>
    <nested_element>
      <name>b_2</name>
      <element><name>b_2_1</name></element>
      <plural>'b_2_1'</plural>
    </nested_element>
    <plural>'b_1'</plural>
  </nested_element>

  <blob_element>
    <name>c</name>
    <extension>'.c'</extension>
  </blob_element>    

  <plural>'a'</plural>

  <store>
  <name>main</name>
  <base>test/ro</base>
  <location>Sequential_file:'max',10,'extension','.ro'</location>
  </store>

</DocumentDefinition>