MediaWiki:Wm-license-gfdl-1.3-and-later

Permission is granted to copy, distribute and/or modify  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 section entitled |GNU Free Documentation License.