- <number id="fill" type="slider" arg="-density %"
- _label="Density" _low-label="Sparse" _high-label="Dense"
- low="10" high="100" default="75"/>
+ <number id="fill" type="slider" arg="-fill %"
+ _label="Density" _low-label="Sparse" _high-label="Dense"
+ low="0" high="100" default="75"/>