Property definitions

nitc $ ASuperPropdef :: defaultinit
# A super-class. eg `super X`
class ASuperPropdef
	super APropdef

	# The super keyword
	var n_kwsuper: TKwsuper is writable, noinit

	# The super-class (indicated as a type)
	var n_type: AType is writable, noinit
end
src/parser/parser_nodes.nit:1465,1--1474,3