Pre: If theres a conflict (no agreement), larger number of edits gets the choice (caveat:bots).
Trans: Allow temporary trustees to make symbolic links.
remaining users must re-register, and the "you snooze you lose" policy determines name conflicts. (Weeding out inactive accounts, whos owners dont care much anyway. Global reattribution for uncontroversial cases only)
Post: Full re-attribution of inactive_name edits can be done on request per local context.