<DocumentDefinition>
  <name>_test_collection</name>

  <element><name>name</name></element>
  <element><name>free_tag_a</name></element>
  <element><name>free_tag_b</name></element>
  <element><name>text</name></element>

  <plural>'free_tag_a'</plural>
  <plural>'free_tag_b'</plural>

   <store>
    <name>main</name>
    <base>test</base>
    <location>Sequential_file:'extension','.doctest'</location>
    <index_on_store>main</index_on_store>
  </store>
 
  <index>
    <name>main</name>
      <field><name>name</name></field>
      <collection><name>free_tag_a</name></collection>
      <collection><name>free_tag_b</name></collection>
      <textsearch><name>text</name></textsearch>
  </index>

</DocumentDefinition>