Question juridique clé
Whether the appeal was admissible insofar as it raised violations of federal law rather than constitutional rights.
Solution extraite
The public-law appeal could not be used to complain of violations of federal law; only constitutional grievances properly motivated were reviewable.
Motifs extraits
The remedy was subsidiary and limited by Art. 84 and Art. 90 OJ; unsupported or appellatory criticism was inadmissible.