X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic%2Fdiscrimination_tree.ml;h=bab98921df04691b090c6e8e3020de76e5ccf5bb;hb=d3e3b22ce9cca9e4ca80f75a6bdc4c2df93efb0b;hp=6e252901631c4465917ea76042f44513378787ac;hpb=20ea4afc703668c1c643aaf81d62aeae51be36a1;p=helm.git

diff --git a/helm/ocaml/cic/discrimination_tree.ml b/helm/ocaml/cic/discrimination_tree.ml
index 6e2529016..bab98921d 100644
--- a/helm/ocaml/cic/discrimination_tree.ml
+++ b/helm/ocaml/cic/discrimination_tree.ml
@@ -23,6 +23,8 @@
  * http://cs.unibo.it/helm/.
  *)
 
+(* $Id$ *)
+
 module DiscriminationTreeIndexing =  
   functor (A:Set.S) -> 
     struct
@@ -218,7 +220,7 @@ let remove_index tree equality =
 	    | pos -> List.fold_right (fun i r -> if r = [] then [i+1] else i::r) pos []
 	in
 	  try
-	    let t = subterm_at_pos pos' term in pos'
+	    ignore(subterm_at_pos pos' term ); pos'
 	  with Not_found ->
 	    let pos, _ =
 	      List.fold_right