Re: Licensing question: compatibility between Vim license and GPL

On So, 15 Okt 2023, Tony Mechelynck wrote:

> On Sun, Oct 15, 2023 at 7:29 PM Lifepillar <lifepillar@lifepillar.me> wrote:
> >
> > Can code released under Vim license include third-party code released
> > under GPLv2 or GPLv3?
> >
> > I have read that Vim license is "GPL-compatible", but it is not clear to
> > me which way such compatibility works.
> >
> > Thanks for providing legal advice for free ;)
> > Life
>
> I am not a lawyer, nor do I play one on TV; but I believe that the
> following (at the bottom of the ":help license" text) is relevant:
>
> - According to Richard Stallman the Vim license is GNU GPL compatible.
> A few minor changes have been made since he checked it, but that should not
> make a difference.
>
> - If you link Vim with a library that goes under the GNU GPL, this limits
> further distribution to the GNU GPL. Also when you didn't actually change
> anything in Vim.
>
> - Once a change is included that goes under the GNU GPL, this forces all
> further changes to also be made under the GNU GPL or a compatible license.
>
> - If you distribute a modified version of Vim, you can include your name and
> contact information with the "--with-modified-by" configure argument or the
> MODIFIED_BY define.

Thanks, that is also my understanding of the compatibility of the
licenses.

Thanks,
Christian
--
"Someone's been mean to you! Tell me who it is, so I can punch him tastefully."
-- Ralph Bakshi's Mighty Mouse

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