Closed as fixed if next.
In the latest CalConnect interoperability conference, something was brought to my attention about our iCalendar that is giving other applications fits. Note: Most major vendors work with our current implementaiton. Steps: 1) Create a 5 day repeat meeting and send to an internet address 2) Open up one instance and change some aspect (time, subject, etc) and send an update. Select 'Just This Instance'. At this point we send out iCalendar that has a RECURRENCE-ID which specifies the instance that changes. This is correct and is what implementations key off of. Problem: In addition to the RECURRENCE-ID, we also add on a single RDATE for the instance that changed. This is unecessary as it was already defined by the RECURRENCE-ID RFC 2445, Section 22.214.171.124 covers this with: The recurrence dates, if specified, are used in computing the recurrence set. The recurrence set is the complete set of recurrence instances for a calendar component. The recurrence set is generated by considering the initial "DTSTART" property along with the "RRULE", "RDATE", "EXDATE" and "EXRULE" properties contained within the iCalendar object. The "DTSTART" property defines the first instance in the recurrence set. Multiple instances of the "RRULE" and "EXRULE" properties can also be specified to define more sophisticated recurrence sets. The final recurrence set is generated by gathering all of the start date/times generated by any of the specified "RRULE" and "RDATE" properties, and excluding any start date/times which fall within the union of start date/times generated by any specified "EXRULE" and "EXDATE" properties. This implies that start date/times within exclusion related properties (i.e., "EXDATE" and "EXRULE") take precedence over those specified by inclusion properties (i.e., "RDATE" and "RRULE"). Where duplicate instances are generated by the "RRULE" and "RDATE" properties, only one recurrence is considered. Duplicate instances are ignored. RFC 5546, 3.2.2 | RDATE | 0+ | | | RECURRENCE-ID | 0 or 1 | Only if referring to an instance | | | | of a recurring calendar | | | | component. Otherwise, it MUST | | | | NOT be present. |
Low priority closures
This APAR is associated with SPR# NRBY8A7MGL. This was closed as part of a batch closure of sprs with minimal customer impact. Low weight, Sev 3 or lower, and a defect creation date of 12/31/2012 or earlier. If this issue persists in 9.0.1 or above by additional customers, it may be re-raised for triage.
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