ASF_20_SRC_AUTO/src/test/org/apache/cocoon/transformation/cinclude-input-1.xml

<?xml version="1.0" ?>

<root
  xmlns:ci="http://apache.org/cocoon/include/1.0">
  <p>P1</p>
  <p>P2</p>

<ci:include src="resource://org/apache/cocoon/transformation/cinclude-incl.xml"
/>

  <p>P3</p>
  <p>P4</p>
</root>