I used to be rich with selling a part of the stuff. FrameMaker. Used to be $5K US / copy Which came originally from Frame Technologies. [ Hi Steve Kirsch . I see you're rich still ]. PDF specification is wild. So right you are. At the time, many - including yours truly - said it was rude capitalism. So, you got it. People did not talk enough about DRM. Ps: I left Adobe embrace courtesy of my then wife, and me myself. I hate DRM as a user and as a -former- Salesman. Hola