+(** {2 MathML widgets} *)
+
+type mml_of_cic_sequent =
+ Cic.metasenv -> int * Cic.context * Cic.term ->
+ Gdome.document *
+ ((Cic.id, Cic.term) Hashtbl.t *
+ (Cic.id, Cic.id option) Hashtbl.t *
+ (string, Cic.hypothesis) Hashtbl.t)
+
+type mml_of_cic_object =
+ explode_all:bool -> UriManager.uri -> Cic.annobj ->
+ (string, string) Hashtbl.t -> (string, Cic2acic.anntypes) Hashtbl.t ->
+ Gdome.document
+
+ (** TODO Zack to be reviewed and unified with proof_viewer above *)
+class type sequent_viewer =
+ object
+ inherit GMathViewAux.multi_selection_math_view
+
+ (** @return the list of selected terms. Selections which are not terms are
+ * ignored *)
+ method get_selected_terms: Cic.term list
+
+ (** @return the list of selected hypothese. Selections which are not
+ * hypotheses are ignored *)
+ method get_selected_hypotheses: Cic.hypothesis list
+
+ (** load a sequent and render it into parent widget *)
+ method load_sequent: Cic.metasenv -> Cic.conjecture -> unit
+ end
+
+class type proof_viewer =
+ object
+ inherit GMathViewAux.single_selection_math_view
+
+ (** @return the annotated cic term and the ids_to_inner_types and
+ * ids_to_inner_sorts maps *)
+ method load_proof: Gdome.document -> hist_metadata -> unit
+
+ end
+