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→Copyright status of old page revisions: almost all content on Wikipedia is subject to copyright limitations. Copyleft is not public domain. :/ |
→Copyright status of old page revisions: Copy-editing and clarifying. Reducing redundancy. Removing link to talk page. Worthy of note: we don't know if the current version is CCBSA either. We hope. |
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[[Wikipedia:legal disclaimer|Wikipedia does not give legal advice.]]
As noted at the end of each history revision, in the text at [[MediaWiki:history copyright]], the page histories may contain material that is incompatible with our license. Although all contributions are supposed to be compatible with CC-By-SA (except limited, clearly marked fair use material in accordance with our [[Wikipedia:Non-free content|non-free content policy]]), it is possible that a user has inserted something to which
▲Although all contributions are supposed to be compatible with CC-By-SA, it is possible that a user has inserted something which is a violation of copyright, in which case the user had no right to release it as CC-By-SA. In these cases, Wikipedia does not have a general policy of always deleting all copyright problems from the history, particularly if the edit is made to an existing article rather than a new one, although such material will be removed from the current version of a page. In the event of a [[Digital Millennium Copyright Act|DMCA]] takedown notice, the Wikimedia Foundation may remove violating versions from the page history. In other cases, the version may be kept to allow proper tracking of authors and demonstrate compliance with all legal requirements. Not all versions in a page history are necessarily available under the CC-By-SA.
==Notes==
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