This user has editted my question with nonsense text and put the same text on the answer:
What to do in this cases? ps: the question
This user has editted my question with nonsense text and put the same text on the answer:
What to do in this cases? ps: the question
Roll back or reject the edit (you did) and flag the answer (you didn't). In this case, the "spam" flag would be appropriate - I've gone ahead and done this for you. I also destroyed the user account responsible for this.