The `(` symbol

Property definitions

	# The `(` symbol
	var n_opar: nullable TOpar = null is writable

src/parser/parser_nodes.nit:1783,2--1784,46

	redef fun n_opar=(node)
	do
		_n_opar = node
		if node != null then node.parent = self
	end

src/parser/parser_prod.nit:2393,2--2397,4