Support for Series in iCalendar
draft-ietf-calext-icalendar-series-02
Network Working Group M. Douglass
Internet-Draft 14 October 2020
Intended status: Standards Track
Expires: 17 April 2021
Support for Series in iCalendar
draft-ietf-calext-icalendar-series-02
Abstract
This document updates [RFC5545] by defining a new repeating set of
events known as a series. This differs from recurrences in that each
instance is a separate entity with a parent relationship to a
specified template entity.
Status of This Memo
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provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on 17 April 2021.
Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved.
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Table of Contents
1. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 2
2. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Terms and definitions . . . . . . . . . . . . . . . . . . . . 3
4. Overrides and iCalendar recurrences . . . . . . . . . . . . . 3
4.1. Changing the master start or the recurrence rules . . . . 3
4.2. Splitting recurrences . . . . . . . . . . . . . . . . . . 4
5. Series . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.1. Modifying series patterns and splitting . . . . . . . . . 5
5.2. The series master . . . . . . . . . . . . . . . . . . . . 6
5.3. The series instances . . . . . . . . . . . . . . . . . . 6
6. Redefined Relation Type Value . . . . . . . . . . . . . . . . 6
7. New Property Parameters . . . . . . . . . . . . . . . . . . . 9
7.1. Split . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7.2. Lookahead count . . . . . . . . . . . . . . . . . . . . . 10
7.3. Lookahead period . . . . . . . . . . . . . . . . . . . . 10
8. New Properties . . . . . . . . . . . . . . . . . . . . . . . 11
8.1. General . . . . . . . . . . . . . . . . . . . . . . . . . 11
8.2. Generating Series members . . . . . . . . . . . . . . . . 11
8.3. Series UID . . . . . . . . . . . . . . . . . . . . . . . 13
8.4. Series-exception-date . . . . . . . . . . . . . . . . . . 13
8.5. Series-date . . . . . . . . . . . . . . . . . . . . . . . 15
8.6. Series-id . . . . . . . . . . . . . . . . . . . . . . . . 16
8.7. Last series ID . . . . . . . . . . . . . . . . . . . . . 18
8.8. Series Rule . . . . . . . . . . . . . . . . . . . . . . . 21
9. Redefined RELATED-TO Property . . . . . . . . . . . . . . . . 22
9.1. RELATED-TO . . . . . . . . . . . . . . . . . . . . . . . 22
10. Backwards compatibility . . . . . . . . . . . . . . . . . . . 24
11. CalDAV extensions . . . . . . . . . . . . . . . . . . . . . . 25
12. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 25
12.1. iCalendar Property Registrations . . . . . . . . . . . . 25
12.2. iCalendar Property Parameter Registrations . . . . . . . 26
12.3. iCalendar RELTYPE Value Registrations . . . . . . . . . 26
13. Normative references . . . . . . . . . . . . . . . . . . . . 26
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 26
1. Acknowledgements
The authors would like to thank the members of the Calendaring and
Scheduling Consortium (CalConnect) for contributing their ideas and
support.
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