def _pointlist(a):
    return str(a)[1:-1]
An option has a child element with the option value.
dataset/ETHPy150Open CGATOxford/cgat/CGAT/SVGdraw.py/_pointlist--crossover with--dataset/ETHPy150Open ralphm/wokkel/wokkel/test/test_data_form.py/OptionTest.test_fromElement