Big commit to let Ferruccio try the merge_coercion patch.

[helm.git] / helm / matita / matitaExcPp.ml

diff --git a/helm/matita/matitaExcPp.ml b/helm/matita/matitaExcPp.ml
index d58ceaf7a45c952d916b91539c26b78ddcf3e67d..c09b22fdd1c053127981cad7226a9968375e34af 100644 (file)
--- a/helm/matita/matitaExcPp.ml
+++ b/helm/matita/matitaExcPp.ml
@@ -61,6 +61,8 @@ let rec to_string =
      None, "Type checking error: " ^ Lazy.force msg
   | CicTypeChecker.AssertFailure msg ->
      None, "Type checking assertion failed: " ^ Lazy.force msg
+  | LibrarySync.AlreadyDefined s -> 
+     None, "Already defined: " ^ UriManager.string_of_uri s
   | MatitaDisambiguator.DisambiguationError (offset,errorll) ->
      let rec aux n =
       function