What is the deal with the hypgen in the word "no-one". If I look at it states;
Why does the last example have a hyphen?, or is it optional in all cases?
.
no one
pronoun (ALSO nobody)
no person:
- At first I thought there was no one in the room.
- "Who was that on the phone?" "No one you would know."
- I'd like to go to the concert but no one else (= no other person) wants to.
- No-one told me she was ill.
Why does the last example have a hyphen?, or is it optional in all cases?
.