HTML-FormatExternal is Copyright 2008, 2009, 2010, 2011, 2013 Kevin Ryde

HTML-FormatExternal is licensed under the GNU General Public License
GPL version 3 or at your option any later version.  The complete text
of GPL version 3 is in the file

    /usr/share/common-licenses/GPL-3

The program home page is

    http://user42.tuxfamily.org/html-formatexternal/index.html