Markdown development

[david parsons]

In article <20100305211753.GA27237 at protagoras.phil.berkeley.edu>,
John MacFarlane  <markdown-discuss at six.pairlist.net> wrote:

>Currently big players like reddit and github

>use forms of markdown that depart significantly from John Gruber's

>official specification;


     Okay, I'm curious.   Since I'm the writer of the "forms of markdown"
     that reddit and github use, just exactly where does discount depart
     significantly from JG's official specification?

     -david parsons