On Sun, 13 Apr 1997 21:08:39 MDT Jason Gunthorpe (firstname.lastname@example.org .ca) wrote: > - Compilers and compiler tools have a modified GPL that exempts the above. Wrong. GPL states that output from programs are not considered derived work. There is no modified GPL. Bison used to be the exception because a bison-generated parser includes a large part of bison itself. But now, bison output doesn't have to be GPL'ed anymore. Phil.