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

[xscreensaver] / hacks / config / hilbert.xml

diff --git a/hacks/config/hilbert.xml b/hacks/config/hilbert.xml
index f67cf95ac8e60fe182e63abbb52404d75337471d..7f44aed0b146bb3d199d90fdfad982af64c2915c 100644 (file)
--- a/hacks/config/hilbert.xml
+++ b/hacks/config/hilbert.xml
@@ -4,6 +4,8 @@
 
   <command arg="-root"/>
 
+  <video href="https://www.youtube.com/watch?v=NhKmipo_Ek4"/>
+
   <hgroup>
    <vgroup>
 
@@ -68,7 +70,7 @@ that are close together along the curve are also close together in space.
 The converse is often, but not always, true.  The coloration
 reflects this.
 
-http://en.wikipedia.org/wiki/Hilbert_curve
+https://en.wikipedia.org/wiki/Hilbert_curve
 
 Written by Jamie Zawinski; 2011.
   </_description>