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

[xscreensaver] / hacks / config / glknots.xml

diff --git a/hacks/config/glknots.xml b/hacks/config/glknots.xml
index 524654e29a57dc112f787a9ccf5783f525758e2f..afdd2964a2e8af9e918fb5631129cf85fb0522a5 100644 (file)
--- a/hacks/config/glknots.xml
+++ b/hacks/config/glknots.xml
@@ -4,6 +4,8 @@
 
   <command arg="-root"/>
 
+  <video href="https://www.youtube.com/watch?v=ILiYNkeEb_k"/>
+
   <hgroup>
    <vgroup>
     <number id="delay" type="slider" arg="-delay %"
@@ -54,7 +56,7 @@
   <_description>
 Generates some twisting 3d knot patterns.  Spins 'em around.
 
-http://en.wikipedia.org/wiki/Knot_theory
+https://en.wikipedia.org/wiki/Knot_theory
 
 Written by Jamie Zawinski; 2003.
   </_description>