Use the Hook module here and there.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16510 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 4 insertions, 7 deletions

diff --git a/library/lib.ml b/library/lib.ml
index 0ba9fd9193..bf4c0a474b 100644
--- a/library/lib.ml
+++ b/library/lib.ml
@@ -475,11 +475,8 @@ let is_in_section ref =
 (* Sections. *)
 
 (* XML output hooks *)
-let xml_open_section = ref (fun id -> ())
-let xml_close_section = ref (fun id -> ())
-
-let set_xml_open_section f = xml_open_section := f
-let set_xml_close_section f = xml_close_section := f
+let (f_xml_open_section, xml_open_section) = Hook.make ~default:ignore ()
+let (f_xml_close_section, xml_close_section) = Hook.make ~default:ignore ()
 
 let open_section id =
   let olddir,(mp,oldsec) = !path_prefix in
@@ -493,7 +490,7 @@ let open_section id =
   (*Pushed for the lifetime of the section: removed by unfrozing the summary*)
   Nametab.push_dir (Nametab.Until 1) dir (DirOpenSection prefix);
   path_prefix := prefix;
-  if !Flags.xml_export then !xml_open_section id;
+  if !Flags.xml_export then Hook.get f_xml_open_section id;
   add_section ()
 
 
@@ -522,7 +519,7 @@ let close_section () =
   let full_olddir = fst !path_prefix in
   pop_path_prefix ();
   add_entry oname (ClosedSection (List.rev (mark::secdecls)));
-  if !Flags.xml_export then !xml_close_section (basename (fst oname));
+  if !Flags.xml_export then Hook.get f_xml_close_section (basename (fst oname));
   let newdecls = List.map discharge_item secdecls in
   Summary.unfreeze_summaries fs;
   List.iter (Option.iter (fun (id,o) -> add_discharged_leaf id o)) newdecls;