Restored reference to Debian build of Qhull for Octave. Had the wrong link.

index.htm

@@ -84,10 +84,8 @@ and higher. </p>
     <a href=http://www.mathworks.com/access/helpdesk/help/techdoc/ref/voronoin.shtml>voronoin</a>.  MATLAB R14 upgraded
         to Qhull 2002.1 and triangulated output ('Qt').
     </li>
-    <!-- Appears to have been removed
-        <li><a href=http://www.octave.org/>GNU Octave</a> uses Qhull for their
-        <a href=http://octave.sourceforge.net/index/analysis.html#Geometry>computational geometry</a> functions.
-      -->
+        <li>The <a href="http://packages.debian.org/sid/octave3.2">Debian build</a> of
+        <a href=http://www.octave.org/>GNU Octave</a> includes Qhull for computational geometry.
         <li><a href=http://www.wolfram.com/products/mathematica/>Mathematica</a>'s Delaunay interface <a href=http://library.wolfram.com/infocenter/MathSource/1160/>qh-math</a>
         and <a href="http://www.imtek.uni-freiburg.de/simulation/mathematica/IMSweb/imsTOC/Interfaces/QHullInterfaceDocu.html">QHullInterface</a>
         <li><a href=http://www.geomview.org>Geomview</a> for 3-D and 4-D visualization of Qhull output