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

[xscreensaver] / hacks / config / klein.xml

diff --git a/hacks/config/klein.xml b/hacks/config/klein.xml
index 95e71ef36e278af0b462ea5e1dde5eef4bbd9cde..8a93c9e0e3ba9b81bfea54cad8ab46886a7d28d6 100644 (file)
--- a/hacks/config/klein.xml
+++ b/hacks/config/klein.xml
@@ -4,6 +4,8 @@
 
   <command arg="-root"/>
 
+  <video href="https://www.youtube.com/watch?v=c2gvyGVNG80"/>
+
   <hgroup>
     <select id="kleinbottle">
       <option id="random"         _label="Random shape"/>
@@ -122,7 +124,7 @@ on it while it rotates in 4D.  Inspired by Thomas Banchoff's book
 "Beyond the Third Dimension: Geometry, Computer Graphics, and Higher
 Dimensions", Scientific American Library, 1990.
 
-http://en.wikipedia.org/wiki/Klein_bottle
+https://en.wikipedia.org/wiki/Klein_bottle
 
 Written by Carsten Steger; 2008.
   </_description>