[Harmony-Review] Providing a copyleft-compatible option?

Allison Randal allison at lohutok.net
Sun Apr 17 16:18:39 UTC 2011

On 04/17/2011 08:24 AM, Dan Scott wrote:
> One way to satisfy the intent to provide a copyleft-only list of
> outbound licenses would be to replace 2.1(d) option 4 with an explicit list of
> strong copyleft licenses - which, from scanning the GNU list of
> licenses, would leave the GPL and AGPL as the only choices.

That seems like the best solution currently.

It might also be possible to draft a clear legal definition of the core 
characteristics of a copyleft license. Here's the text from the Artistic 
2.0 that allows copyleft relicensing, which might be a useful 
inspiration. It's been judged "GPL compatible", but I think it's still a 
little too complex for the average reader (I drafted the original text 
in Artistic 2.0, but I've learned more about clarity in legalese since 

a license that permits the licensee to freely copy, modify and 
redistribute the Modified Version using the same licensing terms that 
apply to the copy that the licensee received, and requires that the 
Source form of the Modified Version, and of any works derived from it, 
be made freely available in that license fees are prohibited but 
Distributor Fees are allowed.


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