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-rw-r--r--src/pnmcurve.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/pnmcurve.c b/src/pnmcurve.c
index 6199ffe..c5e2776 100644
--- a/src/pnmcurve.c
+++ b/src/pnmcurve.c
@@ -1,3 +1,11 @@
+/*
+ *
+ * Copyright 2008 Johannes Hofmann <Johannes.Hofmann@gmx.de>
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ */
+
#include <stdio.h>
#include <unistd.h>
#include <string.h>