Why them?
> A few markdown users (Doxygen, Github, ...)
Github are also implementors, hence the 2 or 3-years old "github-flavored markdown". https://github.com/vmg/sundown is their core library, with https://github.com/vmg/redcarpet as the ruby interface.
Jeff is already called the initiator of the specification although he just reacted to an email of David Greenspan. [0]
Without Gruber giving at least a nod of approval it will always have an "unofficial" feel.
[0] http://www.codinghorror.com/blog/2012/10/the-future-of-markd...
Why them?
> A few markdown users (Doxygen, Github, ...)
Github are also implementors, hence the 2 or 3-years old "github-flavored markdown". https://github.com/vmg/sundown is their core library, with https://github.com/vmg/redcarpet as the ruby interface.