As I mentioned yesterday, Luther was not the raging protestant some make him to be. In these 2 theses, he affirms a belief in purgatory -- which he later came to disavow.
10. Ignorant and wicked are the doings of those priests who, in the case of the dying, reserve canonical penances for purgatory.
11. This changing of the canonical penalty to the penalty of purgatory is quite evidently one of the tares that were sown while the bishops slept.