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_______________________________________________________________ *)
23 let mark a = E.mark C.err C.start a
25 (* interface functions ******************************************************)
28 uri = U.uri_of_string (G.get_baseuri ());
32 let add_infinite s a =
33 if !G.si && !G.cc then
34 let i = abs (mark a) in
35 if L.mem i s.is then () else s.is <- i :: s.is