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diff --git a/hangman-helper.sh b/hangman-helper.sh
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#!/bin/bash
+# Copyright (C) 2011, 2013-2014 Luke Shumaker <lukeshu@sbcglobal.net>
+
# Usage: hangman-helper word not [-l]
# <word> is the known word, with unknown characters replaced with '.'.
# <not> is a sequence of the characters that are known to not be in the word.