X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=helm%2Fhbugs%2Fcommon%2Fhbugs_types.ml;fp=helm%2Fhbugs%2Fcommon%2Fhbugs_types.ml;h=f2b2f20189f372fe5be3f4bd5c3c87ad72c476ff;hp=0e580886b567bdff500c3adeff6eb27cfead2dd3;hb=5d7d6bd5090f3f82279bef0b93b4b361a5b1d751;hpb=39d7157312213114f81948978510bed7d85a7610

diff --git a/helm/hbugs/common/hbugs_types.ml b/helm/hbugs/common/hbugs_types.ml
index 0e580886b..f2b2f2018 100644
--- a/helm/hbugs/common/hbugs_types.ml
+++ b/helm/hbugs/common/hbugs_types.ml
@@ -1,5 +1,7 @@
 (*
- *  Copyright (C) 2003, HELM Team.
+ * Copyright (C) 2003:
+ *    Stefano Zacchiroli <zack@cs.unibo.it>
+ *    for the HELM Team http://helm.cs.unibo.it/
  *
  *  This file is part of HELM, an Hypertextual, Electronic
  *  Library of Mathematics, developed at the Computer Science
@@ -21,7 +23,7 @@
  *  MA  02111-1307, USA.
  *
  *  For details, see the HELM World-Wide-Web page,
- *  http://cs.unibo.it/helm/.
+ *  http://helm.cs.unibo.it/
  *)
 
 type broker_id = string
@@ -44,6 +46,8 @@ type musing_result =
 type message =
 
   (* general purpose *)
+  | Help  (* help request *)
+  | Usage of string (* help response *)       (* usage string *)
   | Exception of string * string              (* name, value *)
 
   (* client -> broker *)