Re: Can we fix BYSETPOS?

[Jonathan Lennox <lennox@xxxxxxxxxxxxxxx>]

On Wednesday, June 20 2001, "Robert Ransdell/Iris" wrote to ""Jonathan Lennox, ietf-calendar@xxxxxxx" saying:

> The BYSETPOS is evaluated over one instance of the set.
> In this case one instance of the set is defined by FREQ=WEEKLY;INTERVAL=1
> For every year, months January, February, March,  May, June, July, August, 
> September, October, November and December becomes empty sets because of the BYMONTH=4 rule.
> For April of every year the weekly expansion is evaluated and than the 
> BYSETPOS item is picked.

So are you proposing (or claiming) "the size of the set is the largest unit
of time mentioned in the rule"?

How would you resolve
    RRULE:DTSTART;TZID=US-Eastern:20010406T090000
    RECUR:FREQ=WEEKLY;BYMONTH=4,6;BYSETPOS=-1
?

-- 
Jonathan Lennox
lennox@xxxxxxxxxxxxxxx