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

[xscreensaver] / hacks / config / sonar.xml

diff --git a/hacks/config/sonar.xml b/hacks/config/sonar.xml
index 10d798ea13c18b289701ce2210f484df63299bd1..e459c51b3ac885bc79a27af3c0e9255f783c58e5 100644 (file)
--- a/hacks/config/sonar.xml
+++ b/hacks/config/sonar.xml
@@ -4,6 +4,8 @@
 
   <command arg="-root"/>
 
+  <video href="https://www.youtube.com/watch?v=XEL8g3qbthE"/>
+
   <hgroup>
    <vgroup>
     <number id="delay" type="slider" arg="-delay %"
@@ -69,14 +71,14 @@
   <xscreensaver-updater />
 
   <_description>
-This draws a sonar screen that pings (get it?) the hosts on
-your local network, and plots their distance (response time) from you.
-The three rings represent ping times of approximately 2.5, 70 and 2,000
-milliseconds respectively.
+A sonar display pings (get it?) the hosts on your local network, and
+plots their distance (response time) from you.  The three rings
+represent ping times of approximately 2.5, 70 and 2,000 milliseconds
+respectively.
 
 Alternately, it can run a simulation that doesn't involve hosts.
 
-http://en.wikipedia.org/wiki/Ping#History
+https://en.wikipedia.org/wiki/Ping#History
 
 Written by Jamie Zawinski and Stephen Martin; 1998.
   </_description>