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

[xscreensaver] / hacks / config / xlyap.xml

diff --git a/hacks/config/xlyap.xml b/hacks/config/xlyap.xml
index 1d1218b22d1df1fdeeadfbdae589334be1c34873..1d2e17642196e9bf523d4dbeb0660972f86b2ac4 100644 (file)
--- a/hacks/config/xlyap.xml
+++ b/hacks/config/xlyap.xml
@@ -4,6 +4,8 @@
 
   <command arg="-root"/>
 
+  <video href="https://www.youtube.com/watch?v=5MrEaXnhEPg"/>
+
   <number id="delay" type="slider" arg="-delay %"
           _label="Frame rate" _low-label="Low" _high-label="High"
           low="0" high="100000" default="10000"
@@ -38,10 +40,12 @@
 
   <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
 
+  <xscreensaver-updater />
+
   <_description>
-This generates pretty fractal pictures via the Lyapunov exponent.
+The Lyapunov exponent makes pretty fractal pictures.
 
-http://en.wikipedia.org/wiki/Lyapunov_exponent
+https://en.wikipedia.org/wiki/Lyapunov_exponent
 
 Written by Ron Record; 1997.
   </_description>