# Activate a `block_parser`
	#
	# Add the `block_parser` on the top of the `active_block_parsers` stack.
	# Also register it in `all_block_parsers`.
	private fun activate_block_parser(block_parser: MdBlockParser) do
		active_block_parsers.add block_parser
		all_block_parsers.add block_parser
	end