def _parse_kerning_classes(self, rx, text, classes):

        for definition in rx.findall(text):
            name, members = definition
            classes[name] = members.split()
Return the real nth-root of arg if possible. If n is omitted then
dataset/ETHPy150Open googlei18n/nototools/nototools/gpos_diff.py/GposDiffFinder._parse_kerning_classes--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/functions/elementary/miscellaneous.py/real_root