<command arg="-root"/>
+ <video href="http://www.youtube.com/watch?v=JsGf65d5TfM"/>
+
<hgroup>
<vgroup>
<number id="delay" type="slider" arg="-delay %"
<boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
</hgroup>
+ <xscreensaver-updater />
+
<_description>
A quasicrystal is a structure that is ordered but aperiodic.
Two-dimensional quasicrystals can be generated by adding a set of