optional, single

—

Inside <startdate> the date of the beginning of a dive trip is given.

<divetrip>

<date>

<divetrip>, <enddate>

(see also <divetrip>)

<!-- begin of dive trip on Tuesday, March 2nd, 2004 -->
<startdate>
    <date>
        <year>2004</year><month>3</month><day>2</day><dayofweek>2</dayofweek>
    </date>
</startdate>