Question juridique clé
Whether the appeal should be treated as a criminal complaint under the BGG and heard despite being filed as an appellation declaration.
Solution extraite
The filing was accepted as a criminal complaint under the BGG, and the written reasons were sufficient for admissibility review.
Motifs extraits
In criminal matters, an appellation declaration is to be treated as a complaint under Arts. 78 ff. BGG; the accompanying letter contained reasons satisfying Art. 42(2) BGG.