> there's the practical aspect of this being adjustable on the fly by users in the old Lisp machine tradition. Is there the possibility that the OS code will b

> there's the practical aspect of this being adjustable on the fly by users in the old Lisp machine tradition. Is there the possibility that the OS code will be so mutable that it is impossible to predict if an application will run on any one installation? Will there be any posix-like standard to guarantee compatibility?