Hans Aberg writes: > Adobe is a commercial company; as far as I know, Knuth is not. > Knuth is an individual with a bank account, and income and deductions; Adobe is a corporate entity. "commercial" has no real meaning in this context > But otherwise, Knuth could probably do the same, ubless there is a contract > with the AMS prohibiting it. > good. then we agree that TeX is no more an open language than PDF? sebastian