src/Pure/thm.ML

--- a/src/Pure/thm.ML	Mon Sep 28 12:09:55 2009 +0200
+++ b/src/Pure/thm.ML	Mon Sep 28 20:52:05 2009 +0200
@@ -541,7 +541,7 @@
 fun raw_body (Thm (Deriv {body, ...}, _)) = body;
 
 fun fulfill_body (Thm (Deriv {promises, body}, {thy_ref, ...})) =
-  Pt.fulfill_proof (Theory.deref thy_ref)
+  Pt.fulfill_proof (Theory.deref thy_ref) ~1
     (map #1 promises ~~ fulfill_bodies (map #2 promises)) body
 and fulfill_bodies futures = map fulfill_body (Exn.release_all (Future.join_results futures));