- <boolean id="wander" _label="Wander" arg-unset="-no-wander"/>
- <boolean id="tex" _label="Textures" arg-unset="-no-texture"/>
- <boolean id="shadow" _label="Shadows" arg-unset="-no-shadows"/>
- <boolean id="fog" _label="Fog" arg-set="-fog"/>
- <boolean id="wire" _label="Wireframe" arg-set="-wireframe"/>
- <boolean id="showfps" _label="Show Frames-per-Second" arg-set="-fps"/>
+ <hgroup>
+ <vgroup>
+ <boolean id="wander" _label="Wander" arg-unset="-no-wander"/>
+ <boolean id="tex" _label="Textures" arg-unset="-no-texture"/>
+ <boolean id="shadow" _label="Shadows" arg-unset="-no-shadows"/>
+ </vgroup>
+ <vgroup>
+ <boolean id="fog" _label="Fog" arg-set="-fog"/>
+ <boolean id="wire" _label="Wireframe" arg-set="-wireframe"/>
+ <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>
+ </vgroup>
+ </hgroup>