<boolean id="atari" _label="Atari" arg-set="-atari"/>
<boolean id="apple2" _label="Apple II" arg-unset="-no-apple2"/>
<boolean id="nvidia" _label="Nvidia" arg-unset="-no-nvidia"/>
+ <boolean id="os2" _label="OS/2" arg-unset="-no-os2"/>
</vgroup>
<vgroup>
<boolean id="mac" _label="Sad Mac" arg-unset="-no-mac"/>