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<info>
  <title>Unit Test: book.022</title>
</info>

  <chapter>
    <title>Chapter title</title>
    <para>Lorem ipsum ...</para>
    <section>
      <title>Section 1 - First reference block</title>
      <para>Lorem ipsum ...</para>
      <refentry>
        <refnamediv>
          <refname>Refentry 1/1</refname>
          <refpurpose>Purpose 1/1</refpurpose>
        </refnamediv>
        <refsection>
          <title>Description</title>
          <para>Description 1/1</para>
        </refsection>
      </refentry>
    </section>
    <section>
      <title>Section 2 - Second reference block</title>
      <para>Lorem ipsum ...</para>
      <refentry>
        <refnamediv>
          <refname>Refentry 1/2</refname>
          <refpurpose>Purpose 1/2</refpurpose>
        </refnamediv>
        <refsection>
          <title>Description</title>
          <para>Description 1/2</para>
        </refsection>
      </refentry>
    </section>
    <section>
      <title>Section 3 - Section without reference</title>
      <para>Lorem ipsum ...</para>
    </section>
    <section>
      <title>Section 4 - Section without reference</title>
      <para>Lorem ipsum ...</para>
    </section>
    <section>
      <title>Section 5 - References in sub-section</title>
      <section>
        <title>Sub-section 1 - First reference block</title>
        <para>Lorem ipsum ...</para>
        <refentry>
          <refnamediv>
            <refname>Refentry 1/5.1</refname>
            <refpurpose>Purpose 1/5.1</refpurpose>
          </refnamediv>
          <refsection>
            <title>Description</title>
            <para>Description 1/5.1</para>
          </refsection>
        </refentry>
      </section>
      <section>
        <title>Sub-section 2 - Second reference block</title>
        <para>Lorem ipsum ...</para>
        <refentry>
          <refnamediv>
            <refname>Refentry 1/5.2</refname>
            <refpurpose>Purpose 1/5.2</refpurpose>
          </refnamediv>
          <refsection>
            <title>Description</title>
            <para>Description 1/5.2</para>
          </refsection>
        </refentry>
      </section>
    </section>
    <section>
      <title>Section 6 - Section without reference</title>
      <para>Lorem ipsum ...</para>
    </section>
  </chapter>
</book>
