bothack.tracker
filter-visible-uniques
(filter-visible-uniques game)
If a unique monster was remembered and now is visible, remove all remembered instances
fresh-corpse?
(fresh-corpse? game pos item)
Works only for corpses on the ground that haven't been moved
track-monsters
(track-monsters new-game old-game)
Try to transfer monster properties greedily from the old game snapshot to the new, even if the monsters moved slightly.