\penalty

yex.keyword.Penalty(parser)

Source code in yex/keyword/other.py

@yex.decorator.control()
def Penalty(parser):
    demerits = yex.value.Number.from_parser(
            parser.another(level='executing')).value

    penalty = yex.box.Penalty(
            demerits = demerits,
            )

    return penalty