_label="Density" _low-label="Sparse" _high-label="Full"
low="1" high="100" default="75"/>
- <boolean id="trace" _label="Run Trace Program" arg-set="-trace"/>
+ <hgroup>
+ <boolean id="trace" _label="Run Trace Program" arg-set="-trace"/>
+ <boolean id="knock" _label="Knock Knock" arg-set="-knock-knock"/>
+ </hgroup>
<string id="phone" _label="Phone Number" arg="-phone %"/>