<?sdop numbertitles="yes,yes"?>
<?sdop toc_sections="no"?>

<preface>
<title>First Preface</title>
<para>
This is the first preface.
</para>
</preface>

<?sdop toc_sections="yes"?>
<preface>
<title>Second Preface</title>
<para>
This is the second preface.
</para>
</preface>

<?sdop toc_sections="yes, yes"?>
<chapter>
<title>First Chapter</title>
<para>
This is the first chapter.
</para>

<section>
<title>First Section</title>
<para>
This is a section.
</para>
</section>

</chapter>

