2 ||M|| This file is part of HELM, an Hypertextual, Electronic
3 ||A|| Library of Mathematics, developed at the Computer Science
4 ||T|| Department, University of Bologna, Italy.
6 ||T|| HELM is free software; you can redistribute it and/or
7 ||A|| modify it under the terms of the GNU General Public License
8 \ / version 2 or (at your option) any later version.
9 \ / This software is distributed as is, NO WARRANTY.
10 V_______________________________________________________________ *)
12 type version = int list
14 type name = string list
16 type names = (bool*name) list
18 type obj = version * name
20 type objs = (bool*obj) list
28 type roles = (bool*role) list
37 type pointer = int list
39 type error = EExt of string
46 exception Error of error