The `[` symbol

Property definitions

	# The `[` symbol
	var n_obra: nullable TObra = null is writable

src/parser/parser_nodes.nit:1258,2--1259,46

	redef fun n_obra=(node)
	do
		_n_obra = node
		if node != null then node.parent = self
	end

src/parser/parser_prod.nit:487,2--491,4