From http://www.jwz.org/xscreensaver/xscreensaver-5.24.tar.gz

[xscreensaver] / hacks / config / grav.xml

diff --git a/hacks/config/grav.xml b/hacks/config/grav.xml
index 915e00a215644e90c197e097526ceaa12b36d65b..927409edb7e7004085d12e94d13da3aae9c28cea 100644 (file)
--- a/hacks/config/grav.xml
+++ b/hacks/config/grav.xml
@@ -23,6 +23,8 @@
    <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
   </hgroup>
 
+  <xscreensaver-updater />
+
   <_description>
 This draws a simple orbital simulation.  With trails enabled,
 it looks kind of like a cloud-chamber photograph.