The W3C Validator script is licensed under the W3C Software Notice and License
If you have any concerns about this please contact us at support@malcolmhardie.com or opensource@malcolmhardie.com
This work (and included software, documentation such as READMEs, or other related items) is being provided by the copyright holders under the following license. By obtaining, using and/or copying this work, you (the licensee) agree that you have read, understood, and will comply with the following terms and conditions.
Permission to copy, modify, and distribute this software and its documentation, with or without modification, for any purpose and without fee or royalty is hereby granted, provided that you include the following on ALL copies of the software and documentation or portions thereof, including modifications:
THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION.
The name and trademarks of copyright holders may NOT be used in advertising or publicity pertaining to the software without specific, written prior permission. Title to copyright in this software and any associated documentation will at all times remain with copyright holders.
The following modules are included unchanged within HTMLValidator and have been built from CPAN.
Copyright (c) 2000-2006 Thomas Linden
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
Copyright 1996-2007 Gisle Aas. All rights reserved.
Copyright 1999-2000 Michael A. Chase. All rights reserved.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
Copyright (c) copyright 2004 Michael Piotrowski. All Rights Reserved.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
(c) copyright 1995-2007 Gisle Aas. All rights reserved.
(c) copyright 1999-2000 Michael A. Chase. All rights reserved.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
Copyright (c) 1999 - 2002 RIPE NCC
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of the author not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
(c) copyright 1995-2005 Gisle Aas. All rights reserved.
(c) copyright 1995 Martijn Koster. All rights reserved.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
Copyright 1995-2000 Gisle Aas.
Copyright 2000-2005 Sean M. Burke.
Copyright 2005 Andy Lester.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
Copyright 1996-2005 by Steven McDougall.
This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
We believe this falls under the aggregation clauses of the relevant licenses and specifically clause 8 of the Artistic license
http://perldoc.perl.org/perlartistic.html
If you have any concerns about this please contact us at support@malcolmhardie.com or opensource@malcolmhardie.com
In particular please contact us if you feel that we have either mis-interpreted or incorrectly stated the licenses for any of the included software.
Note that the validator script which actually uses these perl modules is also open source and that we use a pipe to connect it with the user interface (which is commercially licensed)