May a person's will requesting burial in a standing position to greet the Messiah be carried out?

This source-based Torah study examines: May a person's will requesting burial in a standing position to greet the Messiah be carried out? It follows the canonical Hebrew discussion and the classical sources cited there, preserving the distinctions and review status of the original. This localized layer is for study and discovery only; it is not practical halakhic, medical, legal, scientific, safety or pastoral advice.