On Jul 14, 2016, at 4:23 AM, Ryan Schmidt <[email protected]> wrote:
> On Jul 13, 2016, at 8:43 AM, Daniel J. Luke wrote:
>> On Jul 13, 2016, at 9:36 AM, [email protected] wrote:
>>> Or does simply stating “GPL” cover that already and that is why it has 
>>> always been that way?
>> 
>> 'GPL' by itself means 'any version of the GPL'
>> 
>> From https://www.gnu.org/licenses/old-licenses/old-licenses.html#GPL there 
>> appears to be no version of the GPL before version 1, so GPL and GPL-1+ are 
>> equivalent.
> 
> Yes, we've been using "GPL" to mean "any version of GPL". However, it also 
> introduces some confusion when we're not sure whether the author meant "any 
> version of GPL" or "GPL but I didn't bother to check what version". We might 
> want to think about whether we should change how we do this. If we wrote 
> "GPL-1+" when we meant "any version of GPL" that confusion would be avoided.

I don't think it's useful to define a status for "it's unclear which version of 
a license this falls under". (what kind of decisions would we make based on 
that data?)

In cases where it's ambiguous, it's a good idea for the maintainer to reach out 
to the author for clarification.

-- 
Daniel J. Luke



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