<?xml version="1.0" encoding="utf-8"?>
<pml_schema
  xmlns="http://ufal.mff.cuni.cz/pdt/pml/schema/"
  version="1.2">
  <template name="x">
    <template name="y">
      <type name="z"><constant>z1</constant></type>
      <type name="w">
	<structure>
	  <member name="M" type="z"/>
	  <member name="K" type="u"/>
	</structure>
      </type>
    </template>
    <type name="z"><constant>z2</constant></type>
    <type name="u">
      <structure>
	<member name="N" type="z"/>
      </structure>
    </type>
  </template>
  <type name="z"><constant>z3</constant></type>
  <copy template="x" prefix="a"/>
</pml_schema>