X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=components%2Fgrafite_engine%2FgrafiteSync.mli;h=f66c0e85383c106ad161be035fcf0690f50ec0c3;hb=f06968e452cca8782e822d98bec9007404abcbbe;hp=fbe1fc8dbb557b6093590508055e834d6915a94b;hpb=94267002fc18aa42a8c09779ad6485f93c3e90fa;p=helm.git

diff --git a/components/grafite_engine/grafiteSync.mli b/components/grafite_engine/grafiteSync.mli
index fbe1fc8db..f66c0e853 100644
--- a/components/grafite_engine/grafiteSync.mli
+++ b/components/grafite_engine/grafiteSync.mli
@@ -41,3 +41,13 @@ val time_travel:
 
   (* also resets the imperative part of the status *)
 val init: string -> GrafiteTypes.status
+
+(*
+  (* just an empty status, does not reset imperative 
+   * part, use push/pop for that *)
+val initial_status: string -> GrafiteTypes.status
+*)
+
+  (* preserve _only_ imperative parts of the status *)
+val push: unit -> unit
+val pop: unit -> unit