markdown :: LineList :: block_kind
	# Create a new block kind based on this line.
	protected fun block_kind(block: MDBlock): BlockList is abstract
					lib/markdown/markdown.nit:1926,2--1927,64
				
	redef fun block_kind(block) do return new BlockOrderedList(block)
					lib/markdown/markdown.nit:1937,2--66
				
	redef fun block_kind(block) do return new BlockUnorderedList(block)
					lib/markdown/markdown.nit:1948,2--68