Re: Publishing Postgres Manual as a book

Thanks All. Appreciate your responses.

On Wed, Mar 22, 2023 at 9:33 PM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> Erik Wienhold <ewie(at)ewie(dot)name> writes:
> > On 23/03/2023 04:34 CET Ian Lawrence Barwick <barwick(at)gmail(dot)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
>