.. dfhack-tool::
    :summary: Fixes errors with phantom items occupying site.
    :tags: fort bugfix map

This tool diagnoses and fixes issues with nonexistant 'items occupying site', usually caused by hacking mishaps with items being improperly moved about.

fix/item-occupancy

This tool checks that:

1. Item has flags.on_ground <=> it is in the correct block item list
2. A tile has items in block item list <=> it has occupancy.item
3. The block item lists are sorted