<h2>section1</h2>
text1
<h3>section 1.1</h3>
text2
<h2>section 2</h2>
text3
'''

        when:
        def result = parser.parse(classMetaData, listener)

        then:
        format(result.docbook) == '''<section><title>section1</title><para>
text1
</para><section><title>section 1.1</title><para>
text2
</para></section></section><section><title>section 2</title><para>
text3</para></section>'''