The copyright on a MediaWiki wiki is set at installation and can be adjusted by setting
$wgRightsUrl, and adapting the sitewide copyright notice located at MediaWiki:Copyright.
The copyright notice can be completely eliminated from the footer by ensuring
$wgRightsUrl are empty or not defined in LocalSettings.php.
MediaWiki itself is provided under the GNU General Public License.
Presently, the options available at installation are:
- No license metadata
- Creative Commons
- version 1.2
- version 1.3 (since MediaWiki 1.14)
- public domain (since MediaWiki 1.14)
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