So, pulling an old man card: creating a formal spec for Markdown paves the way for adding more syntax which negates the main benefit of it: a lay person can int

So, pulling an old man card: creating a formal spec for Markdown paves the way for adding more syntax which negates the main benefit of it: a lay person can interpret Markdown as a text file. If you want to add more syntax, we are better off using/extending LaTeX or troff.