Property definitions

nitc $ ADefinition :: defaultinit
# Abstract class for definition of entities
abstract class ADefinition
	super Prod
	# The documentation
	var n_doc: nullable ADoc = null is writable

	# The `redef` keyword
	var n_kwredef: nullable TKwredef = null is writable

	# The declared visibility
	var n_visibility: nullable AVisibility = null is writable
end
src/parser/parser_nodes.nit:1153,1--1164,3