def is_short_option(argument):
    return len(argument) >= 2 and argument[0] == '-' and argument[1] != '-'
True iff j, j-1 contains double consonant
dataset/ETHPy150Open paylogic/pip-accel/pip_accel/utils.py/is_short_option--crossover with--dataset/ETHPy150Open jamesturk/jellyfish/jellyfish/porter.py/Stemmer.doublec