t handle arbitrary polygons.</li>

<li>Add support for full-scene anti-aliasing (the actual benefits
  depend on graphics card / driver). It is controlled via rootrc,
  e.g.:
<pre>
   OpenGL.Framebuffer.Multisample: 4
</pre>
</li>

</ul>

<h4>Minor changes</h4>

<ul>

<li>Extend configurability of GL event-handler to allow inversion of
controls from scene-centric to viewer-centric. The following rootrc
variables control the behaviour:
<pre>
   OpenGL.EventHandler.ViewerCentricControls:  1
   OpenGL.EventHan