'Change the value of the control word by determining what dictionary
it belongs to'

def process_cw(self, token):

    special = ['*', ':', '}', '{', '~', '_', '-', ';']
    token = token[1:]
    token = token.replace('    ', '')
    only_alpha = token.isalpha()
    num = None
    if ((not only_alpha) and (token not in special)):
        (token, num) = self.split_let_num(token)
    (pre, token, action) = self.dict_token.get(token, (None, None, None))
    if action:
        return action(pre, token, num)
