Ask HN: Is REST limited to CRUD?

There are loads of debates about the mapping from CRUD to HTTP, but as aGHz pointed out [1], REST is an architectural pattern, whereas HTTP is a vocabulary. So, is REST limited to CRUD operations? NanoWar else pointed out PATCH[2], which is actually update, but with different semantics to PUT. [1] http://news.ycombinator.com/item?id=3515087 [2] http://news.ycombinator.com/item?id=3514875