<number id="count" type="spinbutton" arg="-count %"
_label="Count" low="0" high="20" default="12"/>
- <number id="speed" type="slider" arg="-delay %"
+ <number id="delay" type="slider" arg="-delay %"
_label="Speed" _low-label="Slow" _high-label="Fast"
low="0" high="20000" default="10000"
convert="invert"/>