On Tue, Feb 17, 2009 at 3:45 AM, Robert Bradshaw
<rober...@math.washington.edu> wrote:
>
> On Feb 17, 2009, at 2:30 AM, Harald Schilly wrote:
>
>> On Feb 17, 3:07 am, Sirius <deuter...@gmail.com> wrote:
>>> To be sincere, I really don't care much, nor know much, about the
>>> license, I just want to have credit ...
>>
>> Yes, I don't care much either but here my two cents: My personal
>> "definition" of logo is a unique graphic to represent the project.
>> Unique means, no other project/entity uses it.
>> On the other hand, the whole intention behind releasing something
>> under a license (no matter which one) is, to give others some usage
>> rights without asking and without questioning for what it is used.
>> Therefore, releasing the sage logo in a CC license means, that some
>> other entity can use it. [This has nothing to do with copyright, since
>> your work is always copyrighted!]
>
> These are more trademark than copyright questions. If someone wanted
> to create brand confusion they could free-hand the dodecahedron on
> the left, use a (marginally) different font for the lettering, and it
> would not violate copyright at all (as long as they only used the
> ideas from the original logo, not any actual copying).
>
>> I know, that's probably controversial and discussing this only
>> consumes time that's better used for something else. My point of view
>> is to keep the copyright (as it is automatically and always) and
>> explicitly dedicate such works to the sage project. period. Just like
>> donated money can't be used for buying beer.
>
> I think this just makes things messier--what if I want to make a
> shirt that has the Sage logo on it? Do I have to get permission from
> the Sage project? Do I have to get permission to put the logo on my
> site with a link to Sage? Can I change the colors to better fit with
> my site's theme? What if I think it can be improved by adding texture
> to the background, or (as started this email) tweaking the lettering?
> Are these derivative works even allowed? If so, are they also
> explicitly dedicated to the Sage project? If I produce, say, a
> project that allows one to use Sage on an iPhone (or, even, uses Sage
> as a backend for my iPhone calculus application) can I incorporate
> part or all of the logo into my application's logo?
>
> A concrete license like the CC makes things so much cleaner, and I
> think CC by-sa is an excellent fit.
>
> - Robert
>

+1

William

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