Adding Markdown to Ddoc

[Walter Bright]

On 12/11/2017 11:29 AM, John Gabriele wrote:
> Right. That said, if you want to add a handful of markdown-ish features, I think 
> it would be most useful to draw your very limited markdown subset from the 
> CommonMark markdown spec. The other option takes you down the road of 
> unintentionally creating yet another variant for users to contend with.

That's basically what I said :-)