Questão jurídica principal
Whether the appeal against the interlocutory order on the language of the main hearing was admissible under Art. 93 BGG.
Decisão extraída
No immediate irreparable legal harm was shown, so the appeal was inadmissible.
Fundamentação extraída
The use of German did not prevent sufficient interpretation and protection of defense rights, and any objections could still be raised against the final judgment.