On Tue, Nov 10, 2015 at 9:40 AM, [email protected] <[email protected]> wrote:
>
> On 10 Nov 2015 at 09:23:12, Thomas Mortagne 
> ([email protected](mailto:[email protected])) wrote:
>
>> IMO we should get rid of this old "The wiki documents (all the
>> documents in the default .xar archive) are distributed under Creative
>> Commons (CC-BY)” runtime message because:
>> * when you install XWiki you end up with that in the footer and most
>> people don't touch (and probably don't really understand) it and we
>> should not choose for them the default license of theire own pages
>> * we already license our page sources under LGPL and I don't see the
>> point in having two licenses
>
> Was added by Sergiu in:
> http://www.xwiki.org/xwiki/bin/view/Main/License?viewer=changes&rev1=3.2&rev2=4.1
>
> It was following a discussion at
> http://markmail.org/message/wfewnlkcbaa64whq
>
> I think using CC-BY for the content is a good idea since we want our users to 
> be able to change the wiki page content without having to redistribute their 
> changes as LGPL. For example someone wanting to make a flavor and modify some 
> wiki pages. Unless we wish to force them to redistribute their flavor as LGPL…
>
> My issue was more about the compatibility of the CC-BY with the LGPL license. 
> Actually if we think about it we distribute several kinds of binaries:
>
> * JAR file: No problem there, all code is under LGPL

> * XAR files: No problem there, all code is under CC-BY. Note that this means 
> script code is also under CC-BY which doesn’t really support source code but 
> I don’t think we care. Actually there could be some problem since in our XAR 
> files we include pom.xml which link to JAR dependencies under LGPL. The 
> script calls LGPL code. Is that a problem?

Is this hypothetical ? Because right now as you can see in all the
XMLs files the XAR are LGPL. The only thing that is referencing CC-BY
is some configuration property that anyone can change and that is not
linked to any specific source.

> * WAR file: We need to clarify what’s the license for our VM files. Do we 
> want someone to be able to create a custom skin and redistribute it under a 
> license other than LGPL? Should the VM files be under CC-BY too?
> * ZIP file (jetty/hsqld standalone distribution): Here there could be a 
> problem since we have a mix of LGPL and CC-BY content. Anyone has a clue 
> about whether this is ok or not?
>
> WDYT? I’m far from a license expert...
>
> Thanks
> -Vincent
>
>
>> On Mon, Nov 9, 2015 at 11:23 PM, [email protected] wrote:
>> >
>> > On 9 Nov 2015 at 22:51:41, [email protected] 
>> > ([email protected](mailto:[email protected])) wrote:
>> >
>> >> Hi devs,
>> >>
>> >> I see at http://www.xwiki.org/xwiki/bin/view/Main/License that we say: 
>> >> “The wiki documents (all the documents in the default .xar archive) are 
>> >> distributed under Creative Commons (CC-BY)”.
>> >>
>> >> However currently all our wiki pages in GitHub (the XML files) are 
>> >> licensed under LGPL 2.1
>> >>
>> >> Do we need to change the license for all those XML files?
>> >
>> > BTW are we sure it would be ok to have files licensed under both LGPL and 
>> > CC-BY in our distribution?
>> >
>> > All I could find is to consider those XML files “non-functional data” 
>> > files (see "Non-functional Data” in 
>> > http://www.gnu.org/philosophy/free-system-distribution-guidelines.html) 
>> > which says:
>> >
>> > “
>> > Data that isn't functional, that doesn't do a practical job, is more of an 
>> > adornment to the system's software than a part of it. Thus, we don't 
>> > insist on the free license criteria for non-functional data. It can be 
>> > included in a free system distribution as long as its license gives you 
>> > permission to copy and redistribute, both for commercial and 
>> > non-commercial purposes. For example, some game engines released under the 
>> > GNU GPL have accompanying game information—a fictional world map, game 
>> > graphics, and so on—released under such a verbatim-distribution license. 
>> > This kind of data can be part of a free system distribution, even though 
>> > its license does not qualify as free, because it is non-functional.
>> > ”
>> >
>> > One issue is that those XML files not only contain data but also scripts 
>> > which I don’t think can be considered “non-functional data”...
>> >
>> > WDYT?
>> >
>> > Thanks
>> > -Vincent
>> >
>> >> Thanks
>> >> -Vincent
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-- 
Thomas Mortagne
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