The `[` symbol

Property definitions

	# The `[` symbol
	var n_obra: TObra is writable, noinit

src/parser/parser_nodes.nit:1723,2--1724,38

	redef fun n_obra=(node)
	do
		_n_obra = node
		node.parent = self
	end

src/parser/parser_prod.nit:2160,2--2164,4