Except for those three TPJ articles, the whole HTML-Tree distribution, of which this file is a part, is free software; you can redistribute it and/or modify it under the same terms as Perl itself. Those three TPJ articles may be distributed under the same terms as Perl itself. The programs in this library are distributed in the hope that they will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose.