<number id="speed" type="slider" arg="-draw-delay %"
_label="Frame rate" _low-label="Low" _high-label="High"
low="0" high="100000" default="30000" convert="invert"/>
<number id="speed" type="slider" arg="-draw-delay %"
_label="Frame rate" _low-label="Low" _high-label="High"
low="0" high="100000" default="30000" convert="invert"/>