Re: [Exist-development] Licensing for XQuery grammar (ljo branch)

[Leif-Jöran O. <lj...@ex...>]

Hi Luigi,
I agree with your analysis. This has to be discussed. I numbered the 
options below for simpler reference.

Den 2010-01-06 20:32, fi...@us... skrev:
> I'm concerned about some files which were recently committed to the ljo
> branch:
> http://exist.svn.sourceforge.net/exist/?rev=10949&view=rev
>
> The files were released under the Apache 2.0 license, which is not compatible
> with the LGPL v2 (or 2.1). The rest of the code is licensed under LGPL v2 (or
> later).
>
> I am not a lawyer, so this is not a legal analysis, but my impression is that

1> changing the license for eXist to LGPL v3 (or later) is an option 
because v3
> is compatible with Apache 2.0.

2> Or, a more difficult approach would be to
> release eXist-ljo under LGPLv2.1 or later, and eXist+ljo under LGPL v3 or
> later.

3> Another option may be to ask the copyright holder(s) on the xqgrammar
> software (Nikolay Ognyanov, et al.?) to release their code under a dual
> license including LGPL 2.1.

We could always start with investigating 3 if noone objects.

> And I guess yet another option would be to find or write another compatible
> xqgrammar.

Yes, I was on my way in the original antlr3 branch.

Cheers,
Leif-Jöran