<command arg="-root"/>
- <!-- #### -rotate-speed [1] -->
-
<number id="delay" type="slider" arg="-delay %"
_label="Speed" _low-label="Slow" _high-label="Fast"
- low="0" high="20000" default="10000"
+ low="0" high="40000" default="30000"
convert="invert"/>
<select id="engine">