--- a/src/ZF/ROOT.ML Fri Sep 17 12:53:53 1993 +0200
+++ b/src/ZF/ROOT.ML Fri Sep 17 16:16:38 1993 +0200
@@ -1,4 +1,5 @@
(* Title: ZF/ROOT
+ ID: $Id$
Author: Lawrence C Paulson, Cambridge University Computer Laboratory
Copyright 1993 University of Cambridge