# Depth of ordered list
	#
	# Used to compute the `setcounter` level.
	fun nesting_level: String do
		var nesting = 1

		var parent = self.parent
		while parent != null do
			if parent isa MdOrderedList then nesting += 1
			parent = parent.parent
		end

		if nesting <= 3 then
			return "i" * nesting
		end
		return "iv"
	end