<command arg="-root"/>
- <!-- #### -speed [?] -->
- <!-- #### -instring [?] -->
+ <number id="speed" type="slider" arg="-speed %"
+ _label="Duration" _low-label="Short" _high-label="Long"
+ low="0" high="1000" default="0" />
+
+ <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
<_description>
Draws squiggly worm-like paths.