<?xml version="1.0" encoding="ISO-8859-1"?>
-<screensaver name="cube21" _label="Cube21">
+<screensaver name="cube21" _label="Cube21" gl="yes">
<command arg="-root"/>
</vgroup>
</hgroup>
+ <xscreensaver-updater />
+
<_description>
-Animates a Rubik-like puzzle known as Cube 21 or Square-1.
+The "Cube 21" Rubik-like puzzle, also known as "Square-1".
The rotations are chosen randomly. See also the "Rubik",
"RubikBlocks" and "GLSnake" screen savers.