I am having the exact same problem. I've noticed that when I save the document and come back to it, more lines appear. They won't allow you to select them to delete them either. I can't figure out how to get rid of them. When I try to use ES3, they still show up.

YOU DON'T EVEN UNDERSTAND HOW MUCH I LOVE YOU RIGHT NOW! Thanks everyone who assisted in this thread. I thought I would have to pull hair out!