The purpose of this License is to make a manual, textbook, or other functional and useful document "free" in the sense of freedom: to assure everyone the ...

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The GNU Free Documentation License is a form of copyleft intended for use on a manual, textbook or other document to assure everyone the effective freedom to ...

The GNU Free Documentation License is a copyleft license - which means that derivative works must be made available under the same or a similar license. The ...

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 ...

The purpose of this License is to make a manual, textbook, or other functional and useful document "free" in the sense of freedom: to assure everyone the ...

The GNU Free Documentation License (GFDL) is a copyleft license for free documentation, designed by the Free Software Foundation (FSF) for the GNU project.

The purpose of this License is to make a manual, textbook, or other functional and useful document “free” in the sense of freedom: to assure everyone the ...

This License is a kind of copyleft , which means that derivative works of the document must themselves be free in the same sense. It complements the GNU General ...