<hgroup>
<boolean id="rotate" _label="Rotation" arg-unset="-no-rotate"/>
- <boolean id="rotate" _label="Steering" arg-unset="-no-move"/>
+ <boolean id="steer" _label="Steering" arg-unset="-no-move"/>
</hgroup>
<boolean id="3d" _label="Do Red/Blue 3D separation" arg-set="-3d"/>