(*
    ||M||  This file is part of HELM, an Hypertextual, Electronic        
    ||A||  Library of Mathematics, developed at the Computer Science     
    ||T||  Department, University of Bologna, Italy.                     
    ||I||                                                                
    ||T||  HELM is free software; you can redistribute it and/or         
    ||A||  modify it under the terms of the GNU General Public License   
    \   /  version 2 or (at your option) any later version.              
     \ /   This software is distributed as is, NO WARRANTY.              
      V_______________________________________________________________ *)

type 'a out = (unit -> 'a) -> string -> 'a
(*
val export_entity:
   ('a och -> string -> 'bind Entity.entry -> 'a) -> 
   string -> bool -> Hierarchy.graph -> 'bind Entity.entity -> 'a
*)
val old_export_entity:
   (Format.formatter -> 'bind Entity.entry -> unit) -> 
   bool -> Hierarchy.graph -> 'bind Entity.entity -> unit