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-rw-r--r--src/hex.erl3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/hex.erl b/src/hex.erl
index dcb9349..e3c8441 100644
--- a/src/hex.erl
+++ b/src/hex.erl
@@ -1,3 +1,6 @@
+%%% Copyright (c) 2014, NORDUnet A/S.
+%%% See LICENSE for licensing information.
+
-module(hex).
-export([bin_to_hexstr/1,hexstr_to_bin/1]).