_label="Number of Colors" _low-label="Two" _high-label="Many"
low="1" high="255" default="200"/>
- <number id="ncolors" type="slider" arg="-size %"
+ <number id="size" type="slider" arg="-size %"
_label="Length of trails" _low-label="Short" _high-label="Long"
low="-20" high="-2" default="-10" convert="invert"/>