1 files changed, 1 insertions, 0 deletions
diff --git a/copy.h b/copy.h
index 1732393e..c66998fc 100644
--- a/copy.h
+++ b/copy.h
@@ -1,3 +1,4 @@
+/* $Id$ */
 /*
  * Copyright (C) 1996-8 Michael R. Elkins <me@cs.hmc.edu>
  *