<vgroup>
<number id="tvbrightness" type="slider" arg="-tv-brightness %"
_label="Brightness Knob" _low-label="Low" _high-label="High"
<vgroup>
<number id="tvbrightness" type="slider" arg="-tv-brightness %"
_label="Brightness Knob" _low-label="Low" _high-label="High"