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_______________________________________________________________ *)
15 exception Error of string
20 let unsupported protocol =
21 error (P.sprintf "unsupported protocol: %s" protocol)
24 error (P.sprintf "missing path: %s" path)
26 let unrooted path roots =
27 error (P.sprintf "missing root: %s (found roots: %u)" path (L.length roots))
30 error "malformed term"