<number id="delay" type="slider" arg="-delay %"
_label="Speed" _low-label="Slow" _high-label="Fast"
- low="0" high="20000" default="10000"
+ low="0" high="30000" default="20000"
convert="invert"/>
<boolean id="wander" _label="Wander" arg-unset="-no-wander"/>