xmbarrel(6) on Linux
The text c9c8b915abc3, as Debian 7 (Wheezy) shipped it.
Barrel X widget
Flags it lists
-
-base -
-bumpSound -
-delay -
-display -
-geometry -
-moveSound -
-picture -
-scoreFile -
-scores -
-tile -
-userName -
-version