Difference between revisions of "License:OpenPublicationLicensev1.0"

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  Open Publication License
  Open Publication License
v1.0, 8 June 1999
v1.0, 8 June 1999
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Latest revision as of 02:21, 18 June 2018

Name Open Publication License, Version 1.0
URL http://opencontent.org/openpub/
Comment Comment

This license can be used as a free documentation license. It is a copyleft free documentation license provided the copyright holder does not exercise any of the “LICENSE OPTIONS” listed in Section VI of the license. But if either of the options is invoked, the license becomes nonfree. In any case, it is incompatible with the GNU FDL.

This creates a practical pitfall in using or recommending this license: if you recommend “Use the Open Publication License, Version 1.0 but don't enable the options”, it would be easy for the second half of that recommendation to get forgotten; someone might use the license with the options, making a manual nonfree, and yet think he or she is following your advice.

Likewise, if you use this license without either of the options to make your manual free, someone else might decide to imitate you, then change his or her mind about the options thinking that that is just a detail; the result would be that his or her manual is nonfree.

Thus, while manuals published under this license do qualify as free documentation if neither license option was used, it is better to use the GNU Free Documentation License and avoid the risk of leading someone else astray.

Please note that this license is not the same as the Open Content License. These two licenses are frequently confused, as the Open Content License is often referred to as the “OPL”. For clarity, it is better not to use the abbreviation “OPL” for either license. It is worth spelling their names in full to make sure people understand what you say.


License text

Open Publication License
v1.0, 8 June 1999


The Open Publication works may be reproduced and distributed in whole
or in part, in any medium physical or electronic, provided that the
terms of this license are adhered to, and that this license or an
incorporation of it by reference (with any options elected by the
author(s) and/or publisher) is displayed in the reproduction.

Proper form for an incorporation by reference is as follows:

Copyright (c) <year> by <author's name or designee>. This material may
be distributed only subject to the terms and conditions set forth in
the Open Publication License, vX.Y or later (the latest version is
presently available at http://www.opencontent.org/openpub/).

The reference must be immediately followed with any options elected by
the author(s) and/or publisher of the document (see section VI).

Commercial redistribution of Open Publication-licensed material is

Any publication in standard (paper) book form shall require the
citation of the original publisher and author. The publisher and
author's names shall appear on all outer surfaces of the book. On all
outer surfaces of the book the original publisher's name shall be as
large as the title of the work and cited as possessive with respect to
the title.


The copyright to each Open Publication is owned by its author(s) or


The following license terms apply to all Open Publication works,
unless otherwise explicitly stated in the document.

Mere aggregation of Open Publication works or a portion of an Open
Publication work with other works or programs on the same media shall
not cause this license to apply to those other works. The aggregate
work shall contain a notice specifying the inclusion of the Open
Publication material and appropriate copyright notice.

SEVERABILITY. If any part of this license is found to be unenforceable
in any jurisdiction, the remaining portions of the license remain in

NO WARRANTY. Open Publication works are licensed and provided "as is"
without warranty of any kind, express or implied, including, but not
limited to, the implied warranties of merchantability and fitness for
a particular purpose or a warranty of non-infringement.


All modified versions of documents covered by this license, including
translations, anthologies, compilations and partial documents, must
meet the following requirements:

The modified version must be labeled as such.  The person making the
modifications must be identified and the modifications dated.

Acknowledgement of the original author and publisher if applicable
must be retained according to normal academic citation practices.
The location of the original unmodified document must be identified.
The original author's (or authors') name(s) may not be used to assert
or imply endorsement of the resulting document without the original
author's (or authors') permission.


In addition to the requirements of this license, it is requested from
and strongly recommended of redistributors that:

If you are distributing Open Publication works on hardcopy or CD-ROM,
you provide email notification to the authors of your intent to
redistribute at least thirty days before your manuscript or media
freeze, to give the authors time to provide updated documents. This
notification should describe modifications, if any, made to the

All substantive modifications (including deletions) be either clearly
marked up in the document or else described in an attachment to the

Finally, while it is not mandatory under this license, it is
considered good form to offer a free copy of any hardcopy and CD-ROM
expression of an Open Publication-licensed work to its author(s).


The author(s) and/or publisher of an Open Publication-licensed
document may elect certain options by appending language to the
reference to or copy of the license. These options are considered part
of the license instance and must be included with the license (or its
incorporation by reference) in derived works.

A. To prohibit distribution of substantively modified versions without
the explicit permission of the author(s). "Substantive modification"
is defined as a change to the semantic content of the document, and
excludes mere changes in format or typographical corrections.

To accomplish this, add the phrase `Distribution of substantively
modified versions of this document is prohibited without the explicit
permission of the copyright holder.' to the license reference or copy.

B. To prohibit any publication of this work or derivative works in
whole or in part in standard (paper) book form for commercial purposes
unless prior permission is obtained from the copyright holder.

To accomplish this, add the phrase 'Distribution of the work or
derivative of the work in any standard (paper) book form is prohibited
unless prior permission is obtained from the copyright holder.' to the
license reference or copy.


(This is not considered part of the license.)

Open Publication works are available in source format via the Open
Publication home page at http://works.opencontent.org/.

Open Publication authors who want to include their own license on Open
Publication works may do so, as long as their terms are not more
restrictive than the Open Publication license.

If you have questions about the Open Publication License, please
contact David Wiley, and/or the Open Publication Authors' List at
opal@opencontent.org, via email.

To subscribe to the Open Publication Authors' List: Send E-mail to
opal-request@opencontent.org with the word "subscribe" in the body.

To post to the Open Publication Authors' List: Send E-mail to
opal@opencontent.org or simply reply to a previous post.

To unsubscribe from the Open Publication Authors' List: Send E-mail to
opal-request@opencontent.org with the word "unsubscribe" in the body. 

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.