--- a/src/Pure/Concurrent/mailbox.ML Mon Jan 19 16:03:04 2009 +0100
+++ b/src/Pure/Concurrent/mailbox.ML Mon Jan 19 19:38:03 2009 +0100
@@ -1,5 +1,4 @@
(* Title: Pure/Concurrent/mailbox.ML
- ID: $Id$
Author: Makarius
Message exchange via mailbox, with non-blocking send (due to unbounded