diff options
-rw-r--r-- | stm/stm.ml | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/stm/stm.ml b/stm/stm.ml index 9e30cbbcd..477ca1f0d 100644 --- a/stm/stm.ml +++ b/stm/stm.ml @@ -1093,6 +1093,9 @@ end = struct (* {{{ *) let perform_states query = if query = [] then [] else + let is_tac = function + | VernacSolve _ | VernacFocus _ | VernacUnfocus | VernacBullet _ -> true + | _ -> false in let initial = let rec aux id = try match VCS.visit id with { next } -> aux next @@ -1110,8 +1113,8 @@ end = struct (* {{{ *) if State.is_cached id then Some (State.get_cached id) else None in match prev, this with | _, None -> None - | Some (prev, o, `Cmd { cast = { expr = VernacSolve _ }}), Some n - when State.same_env o n -> (* A pure tactic *) + | Some (prev, o, `Cmd { cast = { expr }}), Some n + when is_tac expr && State.same_env o n -> (* A pure tactic *) Some (id, `Proof (prev, State.proof_part_of_frozen n)) | Some _, Some s -> msg_warning (str "Sending back a fat state"); |