[cc-licenses] Use cases for cc by-sa compatibility with GPL

drew Roberts zotz at 100jamz.com
Mon Jan 2 16:51:52 EST 2012


On Sunday 01 January 2012 18:28:40 Francesco Poli wrote:
> On Sun, 1 Jan 2012 08:33:56 -0500 drew Roberts wrote:
>
> [...]
>
> > Perhaps to accomplish this objective it would be enough for BY-SA to
> > allow for combined works with parts GPL and parts BY-SA.
> >
> > The GPL would then need to do the same and in such a way that you could
> > not put code under BY-SA and keep it hidden. Or perhaps BY-SA could add a
> > source requirement in this small area only?
>
> I don't think that it's really possible to define a clear cut criterion
> to distinguish "code" from "non-code".
>
> The boundaries between program works and non-program works are blurred.
>
> For instance, Postscript is a Turing-complete language, with even loops
> and conditional statements: is a .ps file a document/image or a
> program? It's both a program (interpreted by an interpreter, such as
> Ghostscript) and a document or an image represented in a sophisticated
> format...
>
> Hence, I think you cannot require making source available for program
> parts, while allowing source-less distribution for non-program parts.

So:

'If the work can properly be considered code, and there exists a "preferred 
form of the work for making modifications to it" then source code must be 
provided.'

Would something like that work?

all the best,

drew


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