rem: ADCalendar::EventItem::EventItem(const QString& url, int seqno, const QValueList<QDateTime>& alarmtimes) : calendarURL(url), eventSequence(seqno), alarmTimes(alarmtimes) { }
add: EventItem() : eventSequence(0) { }
context: ADCalendar::EventItem::EventItem(const QString& url, int seqno, const QValueList<QDateTime>& alarmtimes)  : calendarURL(url),    eventSequence(seqno),    alarmTimes(alarmtimes){}