<number id="delay" type="slider" arg="-delay %"
_label="Speed" _low-label="Slow" _high-label="Fast"
- low="0" high="20000" default="10000"
+ low="0" high="20000" default="15000"
convert="invert"/>
<boolean id="showfps" _label="Show Frames-per-Second" arg-set="-fps"/>