GNU Free Documentation License - Wikipedia
- The GNU Free Documentation License (GNU FDL or simply GFDL) is a copyleft license for open content such as software. It was made by the Free Software Foundation (FSF) for the GNU project. It was initially created for use with software documentation, but can be applied to other types of works as well, such as Wikipedia.Author: Free Software FoundationDFSG compatible: Yes, with no invariant sections (see below)Published: Current version:, November 3, 2008Version: 1.3simple.wikipedia.org/wiki/GNU_Free_Documentation_License
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