On Thu, May 31, 2012 at 9:19 AM, Jason Grout
<jason-s...@creativetrax.com> wrote:
> On 5/31/12 11:13 AM, Nathann Cohen wrote:
>>
>> P.S : I guess many problems can be answered by saying that many pieces
>> of code in Sage are licensed with the GPL version, and that the files
>> themselves have some specific author. Hence, even owning the Sage
>> trademark would not make them able to re-license THESE files without
>> their author's consent, and hence it becomes almost impossible to make a
>> non-GPL software out of Sage. Though a time could come where they do the
>> releases themselves and refuse patches they do not like for their own
>> reasons. Okok, looks like these GPL'ed files with multiple owners is a
>> good protection already :-)
>
>
> To my understanding, there is a huge difference between owning the trademark
> to Sage in this context, and owning the copyright on files. UW is not asking
> for the copyright to Sage files.  They are asking for the right to legally
> defend and use the name "Sage" in connection with this software.

Yes, thanks for the clarification, which I agree with.  There is
nothing in this discussion about copyright of Sage itself.  Sage --
the math software -- is GPL'd with the copyright spread amongst around
500 people, and it will always stay that way.   Free forever.

>
> Jason
>
>
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-- 
William Stein
Professor of Mathematics
University of Washington
http://wstein.org

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