samjnaa@gmail.com wrote: >I remember reading that the GFDL is not DFSG-free (due to some clauses >regarding invariant sections or something) so I would like to know what As long as you do not use these optional clauses it is free like any other DFSG license. OTOH, you should ask yourself what is the point of choosing the GFDL over other more common licenses like the GPL. -- ciao, Marco