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Re: is GPL2 or later enough for having a package in ELPA?

From: Uwe Brauer
Subject: Re: is GPL2 or later enough for having a package in ELPA?
Date: Mon, 10 Jul 2023 09:49:53 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

>>> "RS" == Richard Stallman <rms@gnu.org> writes:

> [[[ To any NSA and FBI agents reading my email: please consider    ]]]
> [[[ whether defending the US Constitution against all enemies,     ]]]
> [[[ foreign or domestic, requires you to follow Snowden's example. ]]]

>> Is it ok if all lisp files are under GLP 2 or later?

> That question has multiple possible meanings.  But each meaning
> results in the conclusion that we could do what we need to do.

> 1, If we get the programs listing GNU GPL 2 or later as the license,
> we can change them to say GPL 3 or later, which is simply dropping the
> GPL 2 option.  Anyone can do that.

> 2. If we get copyright assignments for that code, which we would want
> in order to put them in GNU ELPA, we can relicense them.  We would
> relicense them to GPL 3 or later.

Thanks, a couple of more question, if you don't mind:

    1. Does GPL 2 or *later* mean:

       a. GPL 2 and all version of that License
          that were released  *before* GPL 2?. That seems to me the most
          logical interpretation.

       b. Or does it mean: GPL 2 and all versions that will be released,
          *after* the release of GPL 2? That seems like a blank check to

    2. I searched all lisp files: some have GPL 3+ some have GPL2+.
       Is this ok, or need all files to be under the same license?

    3. The person form Debian suggested to have a LICENSE file in the
       directory specifying the license for all files in
       directories/subdirectories. Is this enough, or need all files to
       be listed in that LICENSE file?

Sorry, maybe this is all elementary, but I admit I never really paid much
attention to these details for GPL (any version seemed to be fine)


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