def ident(s,start):

		m=Property.identRegexp.match(s,start)

		if m is None: raise ParserError("expected a property identifier matching '[A-Z]+'",s,start)

		return (m.end(),m.group())

	@staticmethod

	def createValue(s,start,name):

		if name in Property.patterns:

			return Property.patterns[name](s,start)

		else:

			# !! raise or log or ignore

			# print('warning, unknown property "{0}" at position {1}'.format(name,start))

	@property

	def type(self):

		gameInfo={"AN","BR","BT","CP","DT","EV","GN","GC","ON","OT","PB","PC","PW","RE","RO","RU","SO","TM","US","WR","WT"}

		if self.name in gameInfo: return GAME_INFO

		else: return UNKNOWN

	def copy(self):

		res=Property()

		res.name=self.name

		res.value=self.value if not isinstance(self.value,list) else self.value[:]

		return res