From http://www.jwz.org/xscreensaver/xscreensaver-5.16.tar.gz

[xscreensaver] / hacks / config / hypercube.xml

diff --git a/hacks/config/hypercube.xml b/hacks/config/hypercube.xml
index e52232e2b63830e8e9c9ee66a842aacde9a2bf87..472430e2e130f843c560c96cd75bd77ff3084917 100644 (file)
--- a/hacks/config/hypercube.xml
+++ b/hacks/config/hypercube.xml
@@ -63,6 +63,7 @@ visualize the rotation, it uses a different color for the edges of
 each face.  Don't think about it too long, or your brain will melt.
 
 http://en.wikipedia.org/wiki/Hypercube
+http://en.wikipedia.org/wiki/Tesseract
 http://en.wikipedia.org/wiki/Regular_polytope
 
 Written by Joe Keane, Fritz Mueller, and Jamie Zawinski; 1992.