Re-using copyrighted code

[Chris Angelico]

On Mon, Jun 10, 2013 at 3:22 AM, Mark Janssen <dreamingforward at gmail.com> wrote:
>>> At least partially, my confusion seems to be caused by the dichotomy of
>>> the concepts of copyright and license. How do these relate to each other?
>>
>> A license emerges out of the commercial domain is purely about
>> commercial protections.
>
> I should clarify, that "commercial protections" here means *money*,
> not other potentially legal assets.  As soon as money is exchange you
> entangle yourself with their domain.  Otherwise, as long as you give
> credit, you're really quite safe, from a Constitutional perspective.

Can you quote something regarding this? Also, preferably, can you
quote something international? Because this is an international list,
and an international problem. There is nothing America-specific about
it.

ChrisA