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

[xscreensaver] / hacks / config / cage.xml

diff --git a/hacks/config/cage.xml b/hacks/config/cage.xml
index 086a756bf06a311b58ec5825cad40c798ffca19e..6ede6188d75c45111528d7a38ef5959ace24e139 100644 (file)
--- a/hacks/config/cage.xml
+++ b/hacks/config/cage.xml
@@ -4,6 +4,8 @@
 
   <command arg="-root"/>
 
+  <video href="https://www.youtube.com/watch?v=BxGHUFvI2Zo"/>
+
   <number id="delay" type="slider" arg="-delay %"
           _label="Frame rate" _low-label="Low" _high-label="High"
           low="0" high="100000" default="25000"
@@ -15,10 +17,10 @@
   <xscreensaver-updater />
 
   <_description>
-This draws Escher's "Impossible Cage", a 3d analog of a moebius
+Escher's "Impossible Cage", a 3d analog of a moebius
 strip, and rotates it in three dimensions.
 
-http://en.wikipedia.org/wiki/Maurits_Cornelis_Escher
+https://en.wikipedia.org/wiki/Maurits_Cornelis_Escher
 
 Written by Marcelo Vianna; 1998.
   </_description>