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_______________________________________________________________ *)
16 type item = Free of string (* free text *)
17 | Text of string (* quoted text *)
18 | Macro of string (* macro *)
19 | Group of text (* group *)
20 | Note of string (* comment *)
22 and text = item list (* structured text *)
28 let arg s = Group [Text s]
30 let free s = Group [Free s]
33 L.rev_map arg ("" :: (L.rev us))
35 let mk_rev_args riss is =
36 X.rev_map_append group ([] :: riss) is
38 let rev_mk_args iss is =
39 free "" :: X.rev_map_append group iss is