docs-maven-plugin/src/test/resources/org/apache/servicemix/docs/confluence/code-blocks.xml

<chapter xmlns="http://docbook.org/ns/docbook" id="Chapter">
  <title>Chapter</title>
  <section id="Section1">
    <title>Section 1</title>
    <para>This section contains a piece of
      <literal>code text</literal>.
    </para>
    <programlisting><![CDATA[
    <?xml version="1.0"?>
    <hello>
      <world/>
    </hello>
    ]]></programlisting>
  </section>
  <section id="Section2">
    <title>Section 2</title>
    <para>The next one specifies the language for the code block.</para>
    <programlisting language="xml"><![CDATA[
    <?xml version="1.0"?>
    <hello>
      <world/>
    </hello>
    ]]></programlisting>
  </section>
  <section id="Sectionwithcodetext">
    <title>Section with
      <literal>code text</literal>
    </title>
  </section>
</chapter>