Questione giuridica chiave
Whether the federal appeal was admissible against the cantonal appellate judgment and to what extent new factual arguments could be heard.
Decisione estratta
The appeal was admissible in principle, but factual deviations and new assertions beyond the permitted exceptions could not be considered.
Motivazione estratta
In federal appeal proceedings the court is bound by the cantonal findings of fact unless an exception applies; the father failed to show such an exception for several of his complaints.