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2000-10-26 15:23:47 by Mirar (Pontus Hagland) <>

added Events.tzshift, a mechanism to figure out when a timezone shifts

Rev: lib/modules/Calendar.pmod/Event.pmod:1.10
Rev: lib/modules/Calendar.pmod/Events.pmod:1.7
Rev: lib/modules/Calendar.pmod/Timezone.pmod:1.14

1763:    This class represents the event that a given gregorian    day of month appears a given weekday.    For instance, -  <tt>Event.Date_Weekday(13,5)-&gt;next(Day())</tt> +  <tt>Event.Monthday_Weekday(13,5)-&gt;next(Day())</tt>    finds the next friday the 13th.</p>      <p>subclass Weekday