[Rd] Citation if copying R base code

Hadley Wickham h.wickham at gmail.com
Thu Nov 6 15:46:43 CET 2014

>> And if yes how to do it best? What is the standard procedure here?
>> Should I include base package authors as contributors in DESCRIPTION???
>> Am I allowed to use MIT + file license with that or is it wrong to do so?
> No, you must use the GPL, since the code you copied is licensed under
> the GPL.  You can choose to use version 2 or 3 (or both).  You do not
> have permission to re-license R code under a different license.

I think it's slightly murkier than that - MIT is GPL compatible, so
you could license the code you've written as MIT, but the package as a
whole would need to be GPL-2/3.



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