X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2FmatitaExcPp.ml;h=126b78b89fc6702d08eff63a14a1708d172c64d9;hb=be8d8e78f342e13043ef659d5f9f944d343325f4;hp=a2da0c3e0d99eedeef5cd2c0d4afc07df83e9304;hpb=dcdbb979433a61e2ef2842d96604098728824416;p=helm.git

diff --git a/helm/software/matita/matitaExcPp.ml b/helm/software/matita/matitaExcPp.ml
index a2da0c3e0..126b78b89 100644
--- a/helm/software/matita/matitaExcPp.ml
+++ b/helm/software/matita/matitaExcPp.ml
@@ -169,8 +169,10 @@ let rec to_string =
      None, ("Disambiguation choice not found: " ^ Lazy.force msg)
   | MatitaEngine.EnrichedWithStatus (exn,_) ->
      None, "EnrichedWithStatus "^snd(to_string exn)
-  | NTacStatus.Error msg ->
-     None, "NTactic error: " ^ Lazy.force msg
+  | NTacStatus.Error (msg,None) ->
+     None, "NTactic error: " ^ Lazy.force msg 
+  | NTacStatus.Error (msg,Some exn) ->
+     None, "NTactic error: " ^ Lazy.force msg ^ "\n" ^ snd(to_string exn)
   | MultiPassDisambiguator.DisambiguationError (offset,errorll) ->
      let loc =
       match errorll with