GitHub Flavored Markdown has been a thing for a while. The only difference is that now they have a formal spec for it. Also, CommonMark failed? News to me. Las

GitHub Flavored Markdown has been a thing for a while. The only difference is that now they have a formal spec for it. Also, CommonMark failed? News to me. Last I heard it was still under active development, years after the drama with Gruber.