Support for Series in iCalendar
draft-douglass-icalendar-series-00

Document Type Active Internet-Draft (individual)
Last updated 2017-02-15
Stream (None)
Intended RFC status (None)
Formats plain text pdf xml html bibtex
Stream Stream state (No stream defined)
Consensus Boilerplate Unknown
RFC Editor Note (None)
IESG IESG state I-D Exists
Telechat date
Responsible AD (None)
Send notices to (None)
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.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   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
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   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
Show full document text