type=float, default=None, help=optparse.SUPPRESS_HELP)
general.add_option(
'--bidi-workaround', dest='bidi_workaround', action='store_true',
type=float, default=None, help=optparse.SUPPRESS_HELP)
general.add_option(
'--bidi-workaround', dest='bidi_workaround', action='store_true',