+ _label="Number of colors" _low-label="Two" _high-label="Many"
+ low="1" high="255" default="64"/>
+
+ <number id="size" type="slider" arg="-size %"
+ _label="Size" _low-label="Small" _high-label="Large"
+ low="10" high="500" default="500"/>
+
+ <number id="count" type="slider" arg="-count %"
+ _label="Count" _low-label="1" _high-label="20"
+ low="0" high="20" default="1"/>