============
+Changes since 3.19: * Added new hack `ripples' and `sierpinski3d'.
+ * Made `xscreensaver-command -exit' be silent when no
+ screen saver was running (instead of complaining.)
+ * Made `webcollage' and `vidwhacker' use `xloadimage'
+ when available (in addition to `xli' and `xv'.)
+ * Improved memory usage in `petri' and gave it a hard
+ cap on how much memory it can allocate.
+ * Added `-watch' option to `xscreensaver-command'.
+ * Made `xscreensaver-demo' come up with the
+ most-recently-run hack selected by default.
+ * Rewrote the Gtk version of `xscreensaver-demo'.
+ It's a lot easier to use now.
+ * Extended the format of the programs list in the
+ .xscreensaver file, for the benefit of the new
+ capabilities of `xscreensaver-demo'.
+ NOTE: you might want to delete your ~/.xscreensaver
+ file and allow it to be re-created! The old one
+ should still work, but xscreensaver-demo won't be as
+ pretty.
Changes since 3.18: * Fixed gcc dependencies in `bumps' and `ccurve'.
* New hack, `extrusion'.
* Some of the web sites that `webcollage' was using as