Use // to begin a comment, and // to end a comment. For example,
// US State // (State='<filtertextbox>') and (DXCCID in ('291', '6', '110'))
To optimize visibility in a popup explanation, the comment should be placed at the beginning of the SQL expression, as illustrated above.
This capability was implemented in DXKeeper 7.2.4 and SpotCollector 7.0.8 in November 2008.
73,
Dave, AA6YQ