I have stripple wall paper on the wall now.I would like to really paint over the backing which will be left after peeling the paper off. Can I prime this paper backing and paint over this? I do not want to see the lines. It is out of the question to completley remove the paper, because of the bad condition of the walls. ( I have a very old house) Please help me to redo my bedroom with out buying more wall paper which is very expensive. My bedroom is pretty large.