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_______________________________________________________________ *)
18 (* internal functions *******************************************************)
20 let special = "\\{}$&#^_~%" (* LaTeX reserves these characters *)
23 if S.contains special c then '.' else c
25 let rec out_item och = function
26 | T.Free s -> P.fprintf och "%s" (S.map quote s)
27 | T.Macro s -> P.fprintf och "\\%s" s
28 | T.Group t -> P.fprintf och "%%\n{%a}" out_text t
30 (* interface functions ******************************************************)
33 L.iter (out_item och) t