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>Document Navigation</db:title>
++ <db:productname>Qt</db:productname>
++ <db:edition>OutputFromQDocFiles - A test project for QDoc build artifacts</db:edition>
++ <db:titleabbrev>A test project for QDoc build artifacts</db:titleabbrev>
++ <db:extendedlink xlink:type="extended"><db:link xlink:to="https://what.ever" xlink:type="arc" xlink:arcrole="prev" xlink:title="External"/></db:extendedlink>
++ <db:abstract>
++ <db:para>A test project for QDoc build artifacts.</db:para></db:abstract>
++ </db:info>
++ <db:para>The navigation commands...</db:para>
++ <db:blockquote/>
++ <db:programlisting language="cpp">&lt;head&gt;
++ ...
++ &lt;link rel=&quot;start&quot; href=&quot;basicqt.html&quot; /&gt;
++ ...
++ &lt;/head&gt;
++ </db:programlisting>
++ <db:section xml:id="commands">
++ <db:title>Commands</db:title>
++ <db:anchor xml:id="previouspage-command"/>
++ <db:section xml:id="previouspage">
++ <db:title><db:phrase>\previouspage</db:phrase></db:title>
++ <db:para>The <db:phrase>\previouspage</db:phrase> command...</db:para>
++ </db:section>
++ </db:section>
++ </db:article>