"There may be situations where the purpose of the link is is supposed to be unknown or obscured. For instance, a game may have links identified only as door #1, door #2, and door #3. This link text would be sufficient because the purpose of the links is to create suspense for all users."
This is kind of terrifying. Imagine a critical piece of the German air traffic control system being routed through emacs because the developer assigned to the project only knew Lisp.