Questione giuridica chiave
Whether the federal appeal had become moot because the zoning plan was abolished.
Decisione estratta
The request to annul the zoning plan had become moot because both the contested act and the appellants’ legal interest had ceased to exist.
Motivazione estratta
Once the plan was abolished, the subject of the challenge disappeared; therefore the complaint could no longer be examined on the merits in that respect.