--- /dev/null
+(*
+ ||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 och = string -> unit
+
+type attr = string * string
+
+type pp = och -> int -> unit
+
+val export_entity: ('term -> pp) -> 'term Entity.entity -> unit
+
+val export_csys: Ccs.csys -> unit
+
+val tag: string -> attr list -> ?contents:pp -> pp
+
+val sort: string
+
+val lref: string
+
+val gref: string
+
+val cast: string
+
+val appl: string
+
+val proj: string
+
+val abst: string
+
+val abbr: string
+
+val void: string
+
+val position: int -> attr
+
+val offset: int -> attr
+
+val uri: Entity.uri -> attr
+
+val arity: ?n:int -> 'a list -> attr
+
+val level: Level.level -> attr
+
+val name: Entity.attrs -> attr
+
+val mark: Entity.attrs -> attr
+
+val meta: Entity.attrs -> attr
+
+val info: Entity.attrs -> attr list
+