No permission at all. You just have to give credit to the authors, nothing more nothing less
Cheers, Alexandre > On 5 Nov 2013, at 06:16, kilon alios <kilon.al...@gmail.com> wrote: > > Is this a problem ? I want to bring external documentation inside the Pharo > image, and I was wondering if I need permission and such. I will be editing > also some documentation to make it easier to read and more current. I am > already working on Nativeboost documentation.