Исправление Evgueni, (текущая версия) :
According to the Free Software Foundation, the Open Publication License «can be used as a free documentation license» and is «a copyleft free documentation license provided the copyright holder does not exercise any of the 'LICENSE OPTIONS' listed in Section VI of the license.»
Исходная версия Evgueni, :
According to the Free Software Foundation,[2] the Open Publication License «can be used as a free documentation license» and is «a copyleft free documentation license provided the copyright holder does not exercise any of the 'LICENSE OPTIONS' listed in Section VI of the license.»