The opening parenthesis

Property definitions

	# The opening parenthesis
	var n_opar: TOpar is writable, noinit

src/parser/parser_nodes.nit:2722,2--2723,38

	redef fun n_opar=(node)
	do
		_n_opar = node
		node.parent = self
	end

src/parser/parser_prod.nit:6985,2--6989,4