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Re: how much is too much?

From: David Kastrup
Subject: Re: how much is too much?
Date: Wed, 25 May 2005 18:57:34 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

Chad Whitacre <> writes:

>>>I.e., would it be possible to package all GPL code that I want to
>>>use in an LGPL library and use that from a public domain package?
>> Look, "public domain" means that everybody is allowed to do whatever
>> he wants with the product (including releasing proprietary versions).
>> It completely escapes me how you can imagine to have the right to do
>> that.
> By "use" I meant in linked fashion. My thought was to make the
> functionality of the GPL'd code available to the public domain code
> via an LGPL'd library. Either way the answer appears to be "no."

What gives you the right to change the GPL to LGPL?

> In general I am trying to get educated on the whole
> copyright/licensing issue. Distinguishing between the two was a
> first step, the GPL FAQ is explaining more.

Well, for one thing, if you get a license for something, it is not
your option to change the conditions of the license.

If you want different conditions, ask the copyright holder.

> The bottom line seems to be that the street between copyleft and
> non-copyleft free software only runs one way: copyleft can
> incorporate non-copyleft and retain its identity, but not the other
> way around. I.e., the GPL's hegemony extends to non-copyleft free
> software as much as to proprietary software. Accurate?

No.  GPLed code is not convertible into other licenses, but that does
not mean that other code is convertible to the GPL.  There are
actually very few licenses that allow rereleasing as GPL.

David Kastrup, Kriemhildstr. 15, 44793 Bochum

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