On 4 Jun 2011, at 12:09, Simos Xenitellis <simos.li...@googlemail.com> wrote:

> On Sat, Jun 4, 2011 at 1:31 PM, Jochen Wiedmann
> <jochen.wiedm...@gmail.com> wrote:
>> Excuse me for interrupting ...
>> 
>> 
>> On Sat, Jun 4, 2011 at 12:01 AM,  <robert_w...@us.ibm.com> wrote:
>> 
>>> LibreOffice uses a dual license LGPLv3/MPL.
>> 
>> I've been reading MPL a few times in this discussion. But neither
>> 
>>    http://www.libreoffice.org/download/license/
>> 
>> nor
>> 
>>   http://www.openoffice.org/license.html
>> 
>> are mentioning the MPL. What's right?
>> 
> 
> I believe that during the talks between Robert and LibreOffice,
> LibreOffice asked to have the freed OpenOffice relicensed to LGPLv3/MPL,
> so that the wrongs are fixed and everyone is happy.
> But Robert got confused and says above that LibreOffice is already
> licensed under the LGPLv3/MPL.

I believe it's a bit more complex than that. The following is my understanding 
of the history and situation, I'd welcome corrections where I have 
misunderstood or misremembered or my summary omits key details.

IBM has been trying for years to get the OOo code put back under a permissive 
license. It used to be under SISSL (a now-deprecated permissive open source 
license) and LGPLv2, and in those days IBM was free to build Symphony without 
any reference to OOo. Its worth noting that they never contributed any code at 
all to the community when OOo was under that permissive license.

Once OOo licensing was updated to LGPLv3 only, IBM could no longer operate in 
this way. There were extensive negotiations, first on a semi-open community 
basis and then between Sun and IBM. The result was apparently a private 
licensing arrangement. Under that arrangement, IBM was again able to use the 
OOo code. Under this arrangement, they also contributed very little code 
(although at least a bit).

In discussions with community members before the fork, IBMs representatives 
indicated that if the code project was licensed under a weak copyleft license 
like MPL or CDDL, they would be able and willing to both use it and work within 
the community.

In order to ensure IBM would be able to participate in LibreOffice in the event 
the rest of the code was relicensed in a way they could accept, the community 
there has ensured that contributions have been made under both MPL and LGPLv3. 
Since the inbound code LibreOffice uses is currently mainly under LGPLv3, 
LibreOffice is licensed under LGPLv3 outbound at present even though inbound 
new contributions are under both licenses.

This, by the way, is the source of some of the irritation from TDF, who went to 
a fair bit of trouble to accommodate IBM but have been represented otherwise on 
Rob's blog and elsewhere.

Hope that helps,

S.
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