He explains that this is for refactoring. As others have said, I'd therefor expect this to be a purely compile-time feature that just inserts the name of the r

He explains that this is for refactoring. As others have said, I'd therefor expect this to be a purely compile-time feature that just inserts the name of the reference within. The whole reason for this keyword seems to be that you have no string ("foo") but a reference/name instead (foo). Which can be picked up easily by tools.