convert="invert"/>
<boolean id="decay" _label="Orbital Decay" arg-unset="-no-decay"/>
- <boolean id="decay" _label="Object Trails" arg-unset="-no-trail"/>
+ <boolean id="trail" _label="Object Trails" arg-unset="-no-trail"/>
<number id="ncolors" type="slider" arg="-ncolors %"
_label="Number of Colors" _low-label="Two" _high-label="Many"