<p>When adding an entry please look at the currently existing files to
see if you can extend any of them. If you create a file, name it
<codeclass="file docutils literal notranslate"><spanclass="pre">what_api_changes.rst</span></code> (ex <codeclass="file docutils literal notranslate"><spanclass="pre">deprecated_rcparams.rst</span></code>) with
<p>If you need more heading levels, please use <codeclass="docutils literal notranslate"><spanclass="pre">~~~~</span></code> and <codeclass="docutils literal notranslate"><spanclass="pre">++++</span></code>.</p>