X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fcomponents%2Fng_library%2FnCicLibrary.ml;h=826779401523f15ebacbace5a66aed6fa508dc5e;hb=ffe34220d80cba65eccf2396fba7f692cc6448c8;hp=27fb0baf62db3722a378313847b69e91608cbd90;hpb=2b339969803b2ff9f5442c96a5736626712745f7;p=helm.git

diff --git a/matita/components/ng_library/nCicLibrary.ml b/matita/components/ng_library/nCicLibrary.ml
index 27fb0baf6..826779401 100644
--- a/matita/components/ng_library/nCicLibrary.ml
+++ b/matita/components/ng_library/nCicLibrary.ml
@@ -162,6 +162,11 @@ let time_travel0 (sto,ali) =
 
 let time_travel status = time_travel0 status#timestamp;;
 
+let replace status =
+ let sto,ali = status#timestamp in
+  storage := sto; local_aliases := ali
+;;
+
 type obj = string * Obj.t
 (* includes are transitively closed; dependencies are only immediate *)
 type dump =