<!-- INDEX START -->
<h3 id="TOP">Index</h3>
-<ul><li><a href="#NAME">NAME</a></li>
+<ul><li><a href="#NAME">NAME</a>
+<ul><li><a href="#CATEGORY">CATEGORY</a></li>
+</ul>
+</li>
<li><a href="#SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#ANIMATING_A_RECTANGLE">ANIMATING A RECTANGLE</a>
<ul><li><a href="#Redrawing_the_Screen">Redrawing the Screen</a></li>
<p>SDL::Tutorial::Animation</p>
</div>
+<h2 id="CATEGORY">CATEGORY</h2>
+<div id="CATEGORY_CONTENT">
+<p>Tutorials</p>
+
+</div>
<h1 id="SYNOPSIS">SYNOPSIS</h1><p><a href="#TOP" class="toplink">Top</a></p>
<div id="SYNOPSIS_CONTENT">
<pre> # to read this tutorial