The vObject Model and vFormat Syntax
draft-calconnect-vobject-vformat-04

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Calendaring Extensions                                            R. Tse
Internet-Draft                                                    P. Tam
Updates: 5545, 6321, 6350, 6351, 7953,                            Ribose
         7265, 7095 (if approved)                           K. Murchison
Intended status: Standards Track                        FastMail Pty Ltd
Expires: December 10, 2018                                   M. Douglass
                                                     Spherical Cow Group
                                                            June 8, 2018

                  The vObject Model and vFormat Syntax
                  draft-calconnect-vobject-vformat-04

Abstract

   This document specifies the vObject data model and its corresponding
   syntax vFormat.

   vObject represents the generalized data model, and vFormat the
   generalized data format, of the following specifications and fully
   covers them:

   o  RFC 6350, vCard version 4.0: the VCARD component;

   o  RFC 5545, Internet Calendaring and Scheduling Core Object
      Specification (iCalendar): the VCALENDAR, VEVENT, VJOURNAL,
      VFREEBUSY, VTIMEZONE, VALARM, VTODO, STANDARD and DAYLIGHT
      components;

   o  RFC 7953, Calendar Availability Extensions: the VAVAILABILITY and
      AVAILABLE components;

   o  I-Ddaboo-icalendar-vpatch, iCalendar Patching: the VPATCH
      component; and

   o  alternative formats for iCalendar and vCard, including RFC 6321,
      xCal; RFC 7265, jCal; RFC 6351, xCard; and RFC 7095, jCard.

   This work is produced by the CalConnect TC-VCARD and TC-CALENDAR
   committees.

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

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   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://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 December 10, 2018.

Copyright Notice

   Copyright (c) 2018 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
   (https://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.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   8
   2.  Terms and Definitions . . . . . . . . . . . . . . . . . . . .   8
     2.1.  Definitions . . . . . . . . . . . . . . . . . . . . . . .   9
   3.  vObject Data Model  . . . . . . . . . . . . . . . . . . . . .   9
     3.1.  vObject-compliant Models  . . . . . . . . . . . . . . . .  10
     3.2.  Elements  . . . . . . . . . . . . . . . . . . . . . . . .  10
       3.2.1.  Equivalence . . . . . . . . . . . . . . . . . . . . .  11
     3.3.  Component . . . . . . . . . . . . . . . . . . . . . . . .  11
       3.3.1.  Uniqueness Identifying Property . . . . . . . . . . .  12
       3.3.2.  Normalizing A Component . . . . . . . . . . . . . . .  13
         3.3.2.1.  Sorted Component Properties . . . . . . . . . . .  13
         3.3.2.2.  Sorted Inner Components . . . . . . . . . . . . .  13
         3.3.2.3.  Normalized Inner Components . . . . . . . . . . .  13
       3.3.3.  vObject Property  . . . . . . . . . . . . . . . . . .  13
         3.3.3.1.  Normalized Values . . . . . . . . . . . . . . . .  14
         3.3.3.2.  Normalized Parameters . . . . . . . . . . . . . .  14
       3.3.4.  Property Value  . . . . . . . . . . . . . . . . . . .  14
       3.3.5.  Normalization Of Property Values  . . . . . . . . . .  14
       3.3.6.  Property Parameter  . . . . . . . . . . . . . . . . .  14
         3.3.6.1.  Value Lists . . . . . . . . . . . . . . . . . . .  15
       3.3.7.  Default Property Parameter Values . . . . . . . . . .  15

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       3.3.8.  Property Parameter Value  . . . . . . . . . . . . . .  15
       3.3.9.  Normalizing Multiple Parameter Values . . . . . . . .  15
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