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

[xscreensaver] / hacks / config / penrose.xml

diff --git a/hacks/config/penrose.xml b/hacks/config/penrose.xml
index 49bf00fb2812a7a733f56bfbf236f0d7e7da1f44..aa70323b9c22f61d30833b2680995a8622b57a11 100644 (file)
--- a/hacks/config/penrose.xml
+++ b/hacks/config/penrose.xml
@@ -4,6 +4,8 @@
 
   <command arg="-root"/>
 
+  <video href="https://www.youtube.com/watch?v=atlkrWkbYHk"/>
+
    <hgroup>
     <vgroup>
      <number id="delay" type="slider" arg="-delay %"
@@ -29,8 +31,7 @@
   <xscreensaver-updater />
 
   <_description>
-Draws quasiperiodic tilings; think of the implications on modern
-formica technology.
+Quasiperiodic tilings.
 
 In April 1997, Sir Roger Penrose, a British math professor who has
 worked with Stephen Hawking on such topics as relativity, black
@@ -46,8 +47,8 @@ stand must be taken."
 
 As reported by News of the Weird #491, 4-Jul-1997.
 
-http://en.wikipedia.org/wiki/Penrose_tiling
-http://en.wikipedia.org/wiki/Tessellation
+https://en.wikipedia.org/wiki/Penrose_tiling
+https://en.wikipedia.org/wiki/Tessellation
 
 Written by Timo Korvola; 1997.
   </_description>