--- a/docgen.pl	Mon Apr 27 12:51:53 2009 +0300
+++ b/docgen.pl	Thu May 21 00:13:26 2009 +0300
@@ -1,5 +1,20 @@
 #! /usr/bin/perl
 
+# Copyright 2009 Myhailo Danylenko
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 use strict;
 use warnings;