The GNU Free Documentation License -LRB- GNU FDL or simply GFDL -RRB- is a copyleft license for free documentation , designed by the ORGANIZATION@1 -LRB- FSF -RRB- for the GNU Project .

The GNU Free Documentation License -LRB- GFDL -RRB- is a copyleft license for open content . It was made up by the ORGANIZATION@1 -LRB- FSF -RRB- for the GNU project .
