From http://www.jwz.org/xscreensaver/xscreensaver-5.35.tar.gz

[xscreensaver] / hacks / config / apollonian.xml

diff --git a/hacks/config/apollonian.xml b/hacks/config/apollonian.xml
index 25e622381c7a3dd0eb611418a2e71d96d5f73f4f..72d0e415d23ff9a6d5ec88e4097c7422ef4bb3f4 100644 (file)
--- a/hacks/config/apollonian.xml
+++ b/hacks/config/apollonian.xml
@@ -4,6 +4,8 @@
 
   <command arg="-root"/>
 
+  <video href="https://www.youtube.com/watch?v=aeWnjSROR8U"/>
+
   <boolean id="label" _label="Draw labels" arg-unset="-no-label"/>
 
   <boolean id="altgeom" _label="Include alternate geometries"
@@ -32,8 +34,8 @@
 A fractal packing of circles with smaller circles, demonstrating
 Descartes's theorem.
 
-http://en.wikipedia.org/wiki/Apollonian_gasket
-http://en.wikipedia.org/wiki/Descartes%27_theorem
+https://en.wikipedia.org/wiki/Apollonian_gasket
+https://en.wikipedia.org/wiki/Descartes%27_theorem
 
 Written by Allan R. Wilks and David Bagley; 2002.
   </_description>