 be the *this* value.
        1. Perform ? RequireInternalSlot(_plainDate_, [[InitializedTemporalDate]]).
        1. Let _resolvedOptions_ be ? GetOptionsObject(_options_).
        1. Let _showCalendar_ be ? GetTemporalShowCalendarNameOption(_resolvedOptions_).
        1. Return TemporalDateToString(_plainDate_, _showCalendar_).
      </emu-alg>
    </emu-clause>

    <emu-clause id="sec-temporal.plaindate.prototype.tolocalestring">
      <h1>Temporal.PlainDate.prototype.toLocaleString ( [ _locales_ [ , _op