If it is useful to indicate whether or not a bug has been reproduced,
there could be three states: NEW, TRIAGED, and CONFIRMED. It could work
in a one-dimensional fashion (no keywords) if CONFIRMED implies TRIAGED.
It seems like if someone is going to all the work of confirming a bug
*and* they have permission to change the bug's state, they might as well
triage it as well.
This additional state only becomes useful if there are people actively
looking in Bugzilla trying to reproduce bugs that have already been
triaged. Is that actually the case? Or are there so many untriaged
bugs that no one really cares whether the "extra credit" work of
reproduction has been done on all of the triaged bugs for a specific