rem: void              setRecurMonthlyByPos(int freq, const QValueList<MonthPos>& mp, int count)        { setRecurMonthlyByPos(freq, mp, count, QDate()); }
add: void              setRecurMonthlyByPos(int freq, const QValueList<MonthPos>& mp, const QDate& end) { setRecurMonthlyByPos(freq, mp, 0, end); }
context: 		void              setRecurMonthlyByPos(int freq, const QValueList<MonthPos>& mp, int count)        { setRecurMonthlyByPos(freq, mp, count, QDate()); }