Actually, I've never seen anyone using a hyphen between no and one. It's always assumed.Buleste said:No one is correct but it strictly says No and one if you place a hyphen so that you have no-one then that links the two words together to get the message across. e.g. No-one else wanted to reply to this post.
Lacius said:From a prescriptive point of view, it should be "no one." From a descriptive point of view, both are correct.