Property definitions

markdown $ TokenCode :: next_pos
	private fun next_pos: Int is abstract
lib/markdown/markdown.nit:2052,2--38

markdown $ TokenCodeSingle :: next_pos
	redef fun next_pos do return 0
lib/markdown/markdown.nit:2059,2--31

markdown $ TokenCodeDouble :: next_pos
	redef fun next_pos do return 1
lib/markdown/markdown.nit:2066,2--31