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-rw-r--r--Graph.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/Graph.h b/Graph.h
index d4da9b2..0033cc2 100644
--- a/Graph.h
+++ b/Graph.h
@@ -1,3 +1,5 @@
+/* $Id$ */
+
#ifndef _Graph_h
#define _Graph_h