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The text of Metakgp Wiki is copyrighted (automatically, under the Berne convention) by Metakgp Wiki editors and contributors and is formally licensed to the public under a liberal license. Most of Metakgp Wiki's text and many of its images are licensed under the Creative Commons Attribution-ShareAlike 4.0 License (CC BY-SA). Every image has a description page which indicates the license under which it is released or, if it is non-free, the rationale under which it is used.

The licenses Metakgp Wiki uses grant free access to our content in the same sense that free software is licensed freely. Metakgp Wiki content can be copied, modified, and redistributed if and only if the copied version is made available on the same terms to others and acknowledgment of the authors of the Metakgp Wiki article used is included (a link back to the article is generally thought to satisfy the attribution requirement; see below for more details). Copied Metakgp Wiki content will therefore remain free under appropriate license and can continue to be used by anyone subject to certain restrictions, most of which aim to ensure that freedom. This principle is known as copyleft in contrast to typical copyright licenses. Metakgp Wiki's copyright policy is adapted from and similar to Wikipedia's copyright policy.

Permission is granted to copy, distribute and/or modify Metakgp Wiki's text under the terms of the Creative Commons Attribution-ShareAlike 4.0 License.

Contributors' rights and obligations[edit source]

If you contribute text directly to Metakgp Wiki, you thereby license it to the public for reuse under CC BY-SA. Non-text media may be contributed under a variety of different licenses that support the general goal of allowing unrestricted re-use and re-distribution.

You retain copyright to materials you contribute to Metakgp Wiki, text and media. Copyright is never transferred to Metakgp Wiki. You can later republish and relicense them in any way you like. However, you can never retract or alter the license for copies of materials that you place here; these copies will remain so licensed until they enter the public domain when your copyright expires (currently some decades after an author's death).

Using copyrighted works from others[edit source]

All creative works are copyrighted, by international agreement, unless either they fall into the public domain or their copyright is explicitly disclaimed. Generally, Metakgp Wiki must have permission to use copyrighted works. There are some circumstances under which copyrighted works may be legally utilized without permission. However, it is our goal to be able to freely redistribute as much of Metakgp Wiki's material as possible, so original images and sound files licensed under CC BY-SA or in the public domain are greatly preferred to copyrighted media files used under fair use or otherwise.

Never use materials that infringe the copyrights of others. This could create legal liabilities and seriously hurt Metakgp Wiki. If in doubt, write the content yourself, thereby creating a new copyrighted work which can be included in Metakgp Wiki without trouble.

Reusers' rights and obligations[edit source]

Re-use of text[edit source]

Attribution[edit source]

To re-distribute text on Metakgp Wiki in any form, provide credit to the authors either by including a) a hyperlink or URL to the page or pages you are re-using, b) a list of all authors. (Any list of authors may be filtered to exclude very small or irrelevant contributions.) This applies to text developed by the Metakgp Wiki community. Text from external sources may attach additional attribution requirements to the work, which should be indicated on an article's face or on its talk page. For example, a page may have a banner or other notation indicating that some or all of its content was originally published somewhere else. Where such notations are visible in the page itself, they should generally be preserved by re-users.

Copyleft/Share Alike[edit source]

If you make modifications or additions to the page you re-use, you must license them under the Creative Commons Attribution-Share-Alike License 4.0 or later.

Indicate changes[edit source]

If you make modifications or additions, you must indicate in a reasonable fashion that the original work has been modified. If you are re-using the page in a wiki, for example, indicating this in the page history is sufficient.

Licensing notice[edit source]

Each copy or modified version that you distribute must include a licensing notice stating that the work is released under CC BY-SA and either a) a hyperlink or URL to the text of the license or b) a copy of the license. For this purpose, a suitable URL is:

For further information, please refer to the legal code of the CC BY-SA License.