Question juridique clé
Whether the appeal against the procedural order fixing German as the hearing language was admissible under Art. 93 BGG.
Solution extraite
The order caused no irreparable legal harm and did not otherwise meet the statutory exceptions for an immediate appeal.
Motifs extraits
A language determination in ongoing criminal proceedings does not, by itself, prevent later review or protection of party rights, especially where translations can be requested and provided during trial.