def end_ifset(self):
        try:
            if self.stackinfo[len(self.stack) + 1]:
                self.skip = 1 - self.skip
            del self.stackinfo[len(self.stack) + 1]
        except KeyError:
            print '*** end_ifset: KeyError :', len(self.stack) + 1
dataset/ETHPy150Open Southpaw-TACTIC/TACTIC/src/context/client/tactic-api-python-4.0.api04/Tools/Scripts/texi2html.py/TexinfoParser.end_ifset/swapped operands of `-`