Question juridique clé
Whether the public law appeal was admissible against the cantonal immigration decision
Solution extraite
The appeal in public law matters was admissible because the case concerned a possible revocation of a settlement permit, and in any event the statutory family reunification rights were potentially engaged; the subsidiary constitutional appeal was inadmissible.
Motifs extraits
A challenge to revocation or extinction of a settlement permit is generally admissible, and X. had an arguable right under the family reunification provisions for himself, his spouse, and the children.