<?xml version='1.0'?>
<!DOCTYPE p:pipeline SYSTEM "xproc.dtd" >
<p:pipeline name="fig1" xmlns:p="http://example.org/PipelineNamespace">
  <p:input port="doc" sequence="no"/>
  <p:input port="schemaDoc" sequence="yes"/>

  <p:step type="p:xinclude" name="s1">
    <p:input port="document">
     <p:pipe step="fig1" port="doc"/>
    </p:input>
  </p:step>

  <p:step type="p:validate" name="s2">
    <p:input port="schema">
     <p:pipe step="fig1" port="schemaDoc"/>
    </p:input>
  </p:step>
</p:pipeline>

