<number id="springiness" type="slider" arg="-springiness %"
_label="Springiness" _low-label="Low" _high-label="High"
low="0.0" high="1.0" default="0.1"/>
<number id="springiness" type="slider" arg="-springiness %"
_label="Springiness" _low-label="Low" _high-label="High"
low="0.0" high="1.0" default="0.1"/>