Erik Wienhold <e...@ewie.name> writes: > On 23/03/2023 04:34 CET Ian Lawrence Barwick <barw...@gmail.com> wrote: >> Also not a lawyer, but the full sentence is:
>>> Permission to use, copy, modify, and distribute this software and its >>> documentation for any purpose, without fee, and without a written agreement >>> is >>> hereby granted >> which in my non-lawyerly interpretation means anyone copying, modifying and >> distributing the documentation may do so without paying a fee. A distributor >> could charge what they like. > I know the fee clause from licenses such as Zero-Clause BSD, ISC License, and > GPLv3. They state "with or without fee" or "gratis or for a fee" pertaining > to > the distribution. That's also how I interpret the fee clause in the > PostgreSQL > license with the difference that it does not permit taking a fee. No, I agree with Ian: our license says that the Postgres project does not require a fee. It does not say that someone redistributing the material can't charge for their efforts. It would obviously be ridiculous to expect someone to print a multi-thousand-page book and then give it away for free. I do question the practicality and environmental cost of putting such short-lived material on dead trees, though ... regards, tom lane