<number id="fade" type="slider" arg="-ticks %"
_label="Fade" _low-label="Slow" _high-label="Fast"
low="1" high="100" default="20"
convert="invert"/>
<number id="fade" type="slider" arg="-ticks %"
_label="Fade" _low-label="Slow" _high-label="Fast"
low="1" high="100" default="20"
convert="invert"/>