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Terms of Use

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Information

These Terms of Use apply to any Wikimedia Foundation project which explicitly refers to them in the site footer and on the edit screen.

Imagine a world in which every single human being can freely share in the sum of all knowledge. That's our commitment.
Wikimedia Foundation Vision Statement

Information for text contributors to Wikimedia projects

To grow the commons of free knowledge and free culture, all users contributing to Wikimedia projects are required to grant broad permissions to the general public to re-distribute and re-use their contributions freely, as long as the use is attributed and the same freedom to re-use and re-distribute applies to any derivative works. Therefore, for any text you hold the copyright to, by submitting it, you agree to license it under the Creative Commons Attribution-ShareAlike 3.0 Unported License. For compatibility reasons, you are also required to license it under the GNU Free Documentation License (unversioned, with no invariant sections, front-cover texts, or back-cover texts). Re-users can choose the license(s) they wish to comply with. Please note that these licenses do allow commercial uses of your contributions, as long as such uses are compliant with the terms.

As an author, you agree to be attributed in any of the following fashions: a) through a hyperlink (where possible) or URL to the article or articles you contributed to, b) through a hyperlink (where possible) or URL to an alternative, stable online copy which is freely accessible, which conforms with the license, and which provides credit to the authors in a manner equivalent to the credit given on this website, or c) through a list of all authors. (Any list of authors may be filtered to exclude very small or irrelevant contributions.)

Importing text:

If you want to import text that you have found elsewhere or that you have co-authored with others, you can only do so if it is available under terms that are compatible with the CC-BY-SA license. You do not need to ensure or guarantee that the imported text is available under the GNU Free Documentation License. Furthermore, please note that you cannot import information which is available only under the GFDL. In other words, you may only import text that is (a) single-licensed under terms compatible with the CC-BY-SA license or (b) dual-licensed with the GFDL and another license with terms compatible with the CC-BY-SA license

If you import text under a compatible license which requires attribution, you must, in a reasonable fashion, credit the author(s). Where such credit is commonly given through page histories (such as Wikimedia-internal copying), it is sufficient to give attribution in the edit summary, which is recorded in the page history, when importing the text. Regardless of the license, the text you import may be rejected if the required attribution is deemed too intrusive.

Information for non-text media contributors

Non-text media on Wikimedia Foundation projects are available under a variety of different licenses that support the general goal of allowing unrestricted re-use and re-distribution. The requirements for such licenses are given in the Wikimedia Foundation Licensing Policy. Individual communities may elaborate upon and refine these requirements.

Information for re-users

You can re-use content from Wikimedia projects freely, with the exception of content that is used under "fair use" exemptions, or similar exemptions of copyright law. Please follow the guidelines below:

Re-use of text:

Additional availability of text under the GNU Free Documentation License:

Re-use of non-text media:

Precedence of English terms

These site terms are not to be modified. If there is any inconsistency between these terms and any translation into other languages, the English language version takes precedence.

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