> I think this case should either > > 1) fail to configure, or > 2) not crash -- perhaps empty expressions (``foo/'') can be treated as > matching anything? > > I think alternative (1) is better. > > > [userlevel] bermuda% ./click -e \ > "InfiniteSource -> Classifier(19/) -> Discard" Done. It's an error now (configure fails). lv,d