<?xml version="1.0" encoding="utf-8"?>
<pml_schema
  xmlns="http://ufal.mff.cuni.cz/pdt/pml/schema/" version="1.1">
  <revision>1.0.2</revision>
  <description>PDT 2.0 morphological annotation</description>
  <reference name="wdata" readas="pml"/>

  <import schema="wdata_schema.xml" type="w-node.type" minimal_revision="1.0.0"/>
  <import schema="wdata_schema.xml" type="bool.type"/>

  <derive type="w-node.type">
    <structure name="w-node">
      <member as_attribute="1" name="id" role="#ID" required="1">
	<cdata format="PMLREF"/>
      </member>
    </structure>
  </derive>

  <root name="mdata" type="m-mdata.type"/>

  <type name="m-mdata.type">
    <sequence role="#TREES" content_pattern="meta?, s+">
      <element name="meta" type="m-meta.type"/>
      <element name="s" type="m-s.type"/>
    </sequence>
  </type>

  <type name="m-meta.type">
    <structure>
      <member name="lang"><cdata format="any"/></member>
      <member name="annotation_info">
	<list ordered="0" type="m-annotation-info.type"/>
      </member>
    </structure>
  </type>

  <type name="m-annotation-info.type">
    <structure name="m-annotation-info">
      <member as_attribute="1" name="id" role="#ID" required="1"><cdata format="ID"/></member>
      <member name="version_info"><cdata format="any"/></member>
      <member name="desc"><cdata format="any"/></member>
    </structure>
  </type>

  <type name="m-s.type">
    <container role="#NODE">
      <attribute name="id" role="#ID" required="1"><cdata format="ID"/></attribute>
      <sequence role="#CHILDNODES">
	<element name="m" type="m-m.type"/>
      </sequence>
    </container>
  </type>

  <type name="m-m.type">
    <container role="#NODE">
      <alt type="m-node.type"/>
    </container>
  </type>

  <type name="m-node.type">
    <structure name="m-node">
      <member as_attribute="1" name="id" role="#ID" required="1"><cdata format="ID"/></member>
      <member name="src.rf"><cdata format="PMLREF"/></member>
      <member name="w.rf">
        <list ordered="1" role="#KNIT" type="w-node.type"><cdata format="PMLREF"/></list>
      </member>
      <member name="form_change" type="m-form_change.type"/>
      <member name="form" required="1"><cdata format="any"/></member>
      <member name="lemma" required="1"><cdata format="any"/></member>
      <member name="tag" required="1"><cdata format="any"/></member>
    </structure>
  </type>

  <type name="m-form_change.type">
    <list ordered="0">
      <choice>
	<value>ctcd</value>
	<value>spell</value>
	<value>insert</value>
	<value>num_normalization</value>
      </choice>
    </list>
  </type>

</pml_schema>