> I was asking for a clarification of GNU project policy. > > As I mentioned earlier, https://www.gnu.org/software/repo-criteria-evaluation.html > lists GitHub as unacceptable for hosting of GNU software. > > That is your answer, what is there else to clarify?
Well, why there are 2 GNU projects developed on GitHub. You asked what the GNU policy was, but this is a very different question. The GNU project is very distributed, what individual maintainers do is very much up to them.
