Property definitions

nitc :: parser_prod $ APercentMethid :: init_apercentmethid
	init init_apercentmethid (
		n_op: nullable TPercent
	)
	do
		_n_op = n_op.as(not null)
		n_op.parent = self
	end
src/parser/parser_prod.nit:1731,2--1737,4