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-rw-r--r--GraphDisplay.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/GraphDisplay.h b/GraphDisplay.h
index 2b05541..6eeba61 100644
--- a/GraphDisplay.h
+++ b/GraphDisplay.h
@@ -1,3 +1,5 @@
+/* $Id$ */
+
#ifndef _GraphDisplay_h
#define _GraphDisplay_h