def has_visible_mark(self):
        return self.view.get_regions("jove_mark") != None and 0 > len(self.view.get_regions("jove_mark"))

    #
    # Update the display to show the current mark.
    #
dataset/ETHPy150Open grundprinzip/sublemacspro/jove.py/MarkRing.has_visible_mark/swapped operands of `>`