[Ietf-calsify] reduced RRULE propsoal

[Doug Royer]

Curt Ellmann wrote:

>Would annual recurring events e.g. each year on July 4th be supported?
>Also, would biweekly or bimonthly events be allowed?
>

(1) Annual:

    BYMONTH allows for that.

        DTSTART: 20040101
        RRULE:FREQ=YEARLY;BYMONTH=1

   Or they could be a series of RDATEs.

(2) Weekly or more than once a week.

   The BYDAY rule allow for comma separated values already.

    DTSTART:20040913T120000Z
    RRULE;FREQ=WEEKLY;BYDAY=MO,TH

(3) Monthly or more than once a month:

    MYMONTHDAY supports a comma separated list of dates already.

    DTART:20040913T120000Z
    RRULE:FREQ=MONTHLY;BYMONTHDAY=1,13


I also would like to restrict an object to zero or one RRULEs.

Limit RRULE to one 'BY' rule (as someone else said).

We can already have 2 or more objects with the same UID, DTSTAMP,
and SEQUENCE that represents more instances of the same series
of meetings.  (As done by the ADD method).

Once we all agree, I can write up the new ABNF and submit it.

-- 

Doug Royer                     |   http://INET-Consulting.com
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Doug at Royer.com                 | Office: (208)520-4044
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