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Copyright (C) 1999, 2002, 2006, 2010-2012 Free Software Foundation, Inc.
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Copyright (C) 1999, 2002, 2006, 2010-2013 Free Software Foundation, Inc.
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Written by Bruno Haible <bruno@clisp.org>, 2002.
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This program is free software: you can redistribute it and/or modify it