docs: def __setParentSymbol(self, value):
  		"""self.__parentSymbol variable setter"""
  
  		errors = []
  		if not value is str and not value.split():
  			errors.append('parentSymbol_ERROR : Symbol : must be char or string!')
  		else:
  			self.__parentSymbol = value
  
  		if errors:
  			view.Tli.showErrors('SymbolError', errors)