Revision control
++ <?xml version="1.0" encoding="UTF-8"?>
++ <db:article xmlns:db="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.2" xml:lang="en">
++ <db:info>
++ <db:title/>
++ <db:productname>HiddenFriends</db:productname>
++ <db:titleabbrev>Test case for hidden friend functions</db:titleabbrev>
++ <db:abstract>
++ <db:para>Nothing to see here.</db:para>
++ </db:abstract>
++ </db:info>
++ <db:para>Nothing to see here.</db:para>
++ <db:section xml:id="classes">
++ <db:title>Classes</db:title>
++ <db:variablelist role="classes">
++ <db:varlistentry>
++ <db:term><db:link xlink:href="hiddenfriendsclass.xml" xlink:role="class">HiddenFriendsClass</db:link></db:term>
++ <db:listitem>
++ <db:para>A test class demonstrating hidden friend functions.</db:para>
++ </db:listitem>
++ </db:varlistentry>
++ </db:variablelist>
++ </db:section>
++ <db:section xml:id="details">
++ <db:title>Detailed Description</db:title>
++ </db:section>
++ </db:article>