<?xml version="1.0"?>
<pml_schema version="1.1" xmlns="http://ufal.mff.cuni.cz/pdt/pml/schema/">
  <revision>0.1</revision>
  <description>
    Extended example of tree annotation over a tokenization layer
  </description>
  <reference name="tokenization" readas="dom"/>

  <import schema="example8_schema.xml" 
          minimal_revision="0.4"
          maximal_revision="1.0"/>
  <import schema="example1_schema.xml" type="meta.type"/>

  <derive type="annotation.type">
    <sequence content_pattern="meta, S+">
      <element name="meta" type="newmeta.type"/>
    </sequence>
  </derive>
  <derive type="S.type">
    <container>
      <attribute name="annotators_comment">
        <cdata format="any"/>
      </attribute>
    </container>
  </derive>
  <derive type="meta.type" name="changes.type">
    <structure>
      <member name="id" role="#ID" as_attribute="1" required="1">
        <cdata format="ID"/>
      </member>
      <member name="desc"><cdata format="any"/></member>
    </structure>
  </derive>
  <derive type="label.type">
    <choice>
      <value>SDECL</value>
      <value>SIMP</value>
      <value>SQUEST</value>
      <delete>S</delete>
    </choice>
  </derive>
  <type name="newmeta.type">
    <structure>
      <member name="lang"><cdata format="any"/></member>
      <member name="changes"><list type="changes.type" ordered="1"/></member>
    </structure>
  </type>
</pml_schema>