Support for Series in iCalendar
draft-douglass-icalendar-series-00
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Network Working Group M. Douglass
Internet-Draft Spherical Cow Group
Updates: 5545 (if approved) February 15, 2017
Intended status: Standards Track
Expires: August 19, 2017
Support for Series in iCalendar
draft-douglass-icalendar-series-00
Abstract
This specification 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
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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material or to cite them other than as "work in progress."
This Internet-Draft will expire on August 19, 2017.
Copyright Notice
Copyright (c) 2017 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
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the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Douglass Expires August 19, 2017 [Page 1]
Internet-Draft iCalendar Series February 2017
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Overrides and iCalendar recurrences . . . . . . . . . . . . . 3
2.1. Changing the master start or the recurrence rules . . . . 3
2.2. Splitting recurrences . . . . . . . . . . . . . . . . . . 3
3. Series . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.1. Modifying series patterns and splitting . . . . . . . . . 5
3.2. The series master . . . . . . . . . . . . . . . . . . . . 5
3.3. The series instances . . . . . . . . . . . . . . . . . . 5
4. Redefined Relation Type Value . . . . . . . . . . . . . . . . 6
5. New Property Parameters . . . . . . . . . . . . . . . . . . . 8
5.1. Split . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.2. Lookahead count . . . . . . . . . . . . . . . . . . . . . 9
5.3. Lookahead period . . . . . . . . . . . . . . . . . . . . 9
6. New Properties . . . . . . . . . . . . . . . . . . . . . . . 10
6.1. Generating Series members . . . . . . . . . . . . . . . . 10
6.2. Series UID . . . . . . . . . . . . . . . . . . . . . . . 12
6.3. Series-exception-date . . . . . . . . . . . . . . . . . . 12
6.4. Series-date . . . . . . . . . . . . . . . . . . . . . . . 13
6.5. Series-id . . . . . . . . . . . . . . . . . . . . . . . . 15
6.6. Last series id . . . . . . . . . . . . . . . . . . . . . 16
6.7. Series Rule . . . . . . . . . . . . . . . . . . . . . . . 19
7. Redefined RELATED-TO Property . . . . . . . . . . . . . . . . 20
7.1. RELATED-TO . . . . . . . . . . . . . . . . . . . . . . . 20
8. Backwards compatibility . . . . . . . . . . . . . . . . . . . 22
9. CalDAV extensions . . . . . . . . . . . . . . . . . . . . . . 23
10. Security Considerations . . . . . . . . . . . . . . . . . . . 23
11. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 23
11.1. iCalendar Property Registrations . . . . . . . . . . . . 23
11.2. iCalendar Property Parameter Registrations . . . . . . . 23
11.3. iCalendar RELTYPE Value Registrations . . . . . . . . . 24
12. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 24
13. Normative References . . . . . . . . . . . . . . . . . . . . 24
Appendix A. Points for discussion . . . . . . . . . . . . . . . 25
Appendix B. Change log . . . . . . . . . . . . . . . . . . . . . 26
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 26
1. Introduction
Since iCalendar was first defined there has been only one way to
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