# Convert `self` to a `MDoc`
	fun to_mdoc: MDoc
	do
		var res = mdoc_cache
		if res != null then return res
		res = new MDoc(location)
		for c in n_comment do
			var text = c.text
			if text.length < 2 then
				res.content.add ""
				continue
			end
			assert text.chars[0] == '#'
			if text.chars[1] == ' ' then
				text = text.substring_from(2) # eat starting `#` and space
			else
				text = text.substring_from(1) # eat atarting `#` only
			end
			if text.chars.last == '\n' then text = text.substring(0, text.length-1) # drop \n
			res.content.add(text)
		end
		mdoc_cache = res
		return res
	end