--- a/src/Pure/Isar/proof.ML Sat Apr 15 15:00:57 2000 +0200 +++ b/src/Pure/Isar/proof.ML Sat Apr 15 15:01:31 2000 +0200 @@ -703,7 +703,8 @@ state |> assert_forward |> close_block - |> new_block; + |> new_block + |> reset_facts; end;