Re: LGPL code that includes files licensed under Sun Public License 1.0 - DFSG-free?
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Hendrik Weimer wrote:
> Tony Mancill <tmancill@debian.org> writes:
>
>> We've requested that the upstream author release a new upstream version
>> with the updated license, and are waiting for his reply. But I wanted
>> to ask the list if that is strictly necessary, given that we know the
>> contents of the files, save for the license, haven't changed.
>
> Are you sure the files are unchanged? The file shipped with jxp says
> "Altered by Tiong Lee ([..]) extensive to be a JJTree grammar".
>
> Hendrik
Hi,
I'm not saying that they are unchanged in the source distribution of libjxp,
but that the upstream author says that the files that were released as part
of JavaCC under the SPL license are the same files (meaning they have the
same content) as the files now under the BSD-like license. That is, it
seems like it makes a difference that the code used to create the derived
work is the same under both licenses. Otherwise, the derived work is still
derived from code that has only been distributed under the SPL, and it seems
like the upstream author would need to "re-derive" the work from the
BSD-licensed file.
My apologies if I'm being dense on this. The mixing of licenses seems
complicated enough in practice; adding issues of an evolving license lineage
even more so.
Thank you,
Tony
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