From http://www.jwz.org/xscreensaver/xscreensaver-5.33.tar.gz

[xscreensaver] / hacks / config / klein.xml

diff --git a/hacks/config/klein.xml b/hacks/config/klein.xml
index ebf92e849569716e30c5bb30d85f89a317ff35b0..cb943c0eaf365fd7604af5796f21e77b7541e09a 100644 (file)
--- a/hacks/config/klein.xml
+++ b/hacks/config/klein.xml
@@ -124,7 +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>