X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_disambiguation%2FdisambiguateChoices.ml;h=b7f2410366dbf783059c0449ba2b068087d58862;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=c660bb6b0a19895cd455ecdd08acf650097704b3;hpb=6f2724b64f78339cc7b652e9514813c1705605b0;p=helm.git

diff --git a/helm/ocaml/cic_disambiguation/disambiguateChoices.ml b/helm/ocaml/cic_disambiguation/disambiguateChoices.ml
index c660bb6b0..b7f241036 100644
--- a/helm/ocaml/cic_disambiguation/disambiguateChoices.ml
+++ b/helm/ocaml/cic_disambiguation/disambiguateChoices.ml
@@ -51,7 +51,8 @@ let mk_choice (dsc, args, appl_pattern) =
       in
       try
         List.combine names cic_args
-      with Invalid_argument _ -> raise Invalid_choice
+      with Invalid_argument _ ->
+       raise (Invalid_choice (lazy "The notation expects a different number of arguments"))
     in
     CicNotationFwd.instantiate_appl_pattern env' appl_pattern)