Re: [calsify] [Editorial Errata Reported] RFC5545 (5794)

Ben Campbell <ben@nostrum.com> Tue, 15 December 2020 01:09 UTC

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From: Ben Campbell <ben@nostrum.com>
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Date: Mon, 14 Dec 2020 19:08:51 -0600
Cc: Stan Kalisch <stan@glyphein.mailforce.net>, Eliot Lear <lear@cisco.com>, RFC Errata System <rfc-editor@rfc-editor.org>, Adam Roach <adam@nostrum.com>, aamelnikov@fastmail.fm, calsify@ietf.org
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To: Eugène Adell <eugene.adell@gmail.com>, ART Area <art-ads@ietf.org>
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Subject: Re: [calsify] [Editorial Errata Reported] RFC5545 (5794)
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This went to a bunch of ex-ART-ADs. Forwarding to the current ones…

Ben.

> On Dec 14, 2020, at 5:46 PM, Eugène Adell <eugene.adell@gmail.com> wrote:
> 
> Hi guys,
> 
> was it possible to decide anything on this Errata ? I think that even
> a rejected one is still better, if commented appropriately for the
> future readers, as they don't (I think) investigate in the mailing
> lists.
> 
> best regards
> Eugene
> 
> Le lun. 29 juil. 2019 à 04:08, Stan Kalisch
> <stan@glyphein.mailforce.net> a écrit :
>> 
>> Hi,
>> 
>> On Sun, Jul 28, 2019, at 8:30 AM, Eliot Lear wrote:
>> 
>> The erratum is correct.  Good catch.  Under the IESG criteria, as this is editorial and will not cause any interoperability or other implementation concerns, it is normally marked “hold for update”.  However, because of the particular nature of this erratum, anyone who clicks on the web searchable index gets sent to the wrong place.  That’s annoying.  Suggestions?
>> 
>> 
>> Per https://www.ietf.org/blog/iesg-processing-rfc-errata-ietf-stream/:
>> 
>> "Only errors that could cause implementation or deployment problems or significant confusion should be Verified."
>> 
>> So, the way I read it, it comes down to whether the confusion this could cause is judged to be "significant".  My personal opinion is that, given that the table of contents should go up to page 167, and given that there will be more than a few marginally exhausted implementers likely reading this at some point, it's "significant enough."
>> 
>> 
>> Stan
>> 
>> Eliot
>> 
>> 
>> 
>>> On 28 Jul 2019, at 13:45, RFC Errata System <rfc-editor@rfc-editor.org> wrote:
>>> 
>>> The following errata report has been submitted for RFC5545,
>>> "Internet Calendaring and Scheduling Core Object Specification (iCalendar)".
>>> 
>>> --------------------------------------
>>> You may review the report below and at:
>>> https://www.rfc-editor.org/errata/eid5794
>>> 
>>> --------------------------------------
>>> Type: Editorial
>>> Reported by: Eugene Adell <eugene.adell@gmail.com>
>>> 
>>> Section: ToC
>>> 
>>> Original Text
>>> -------------
>>>  1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   5
>>>  2.  Basic Grammar and Conventions . . . . . . . . . . . . . . . .   6
>>>    2.1.  Formatting Conventions  . . . . . . . . . . . . . . . . .   6
>>>    2.2.  Related Memos . . . . . . . . . . . . . . . . . . . . . .   7
>>>  3.  iCalendar Object Specification  . . . . . . . . . . . . . . .   8
>>>    3.1.  Content Lines . . . . . . . . . . . . . . . . . . . . . .   8
>>>      3.1.1.  List and Field Separators . . . . . . . . . . . . . .  11
>>>      3.1.2.  Multiple Values . . . . . . . . . . . . . . . . . . .  11
>>>      3.1.3.  Binary Content  . . . . . . . . . . . . . . . . . . .  11
>>>      3.1.4.  Character Set . . . . . . . . . . . . . . . . . . . .  12
>>>    3.2.  Property Parameters . . . . . . . . . . . . . . . . . . .  12
>>>      3.2.1.  Alternate Text Representation . . . . . . . . . . . .  13
>>>      3.2.2.  Common Name . . . . . . . . . . . . . . . . . . . . .  15
>>>      3.2.3.  Calendar User Type  . . . . . . . . . . . . . . . . .  15
>>>      3.2.4.  Delegators  . . . . . . . . . . . . . . . . . . . . .  16
>>>      3.2.5.  Delegatees  . . . . . . . . . . . . . . . . . . . . .  16
>>>      3.2.6.  Directory Entry Reference . . . . . . . . . . . . . .  17
>>>      3.2.7.  Inline Encoding . . . . . . . . . . . . . . . . . . .  17
>>>      3.2.8.  Format Type . . . . . . . . . . . . . . . . . . . . .  18
>>>      3.2.9.  Free/Busy Time Type . . . . . . . . . . . . . . . . .  19
>>>      3.2.10. Language  . . . . . . . . . . . . . . . . . . . . . .  20
>>>      3.2.11. Group or List Membership  . . . . . . . . . . . . . .  20
>>>      3.2.12. Participation Status  . . . . . . . . . . . . . . . .  21
>>>      3.2.13. Recurrence Identifier Range . . . . . . . . . . . . .  22
>>>      3.2.14. Alarm Trigger Relationship  . . . . . . . . . . . . .  23
>>>      3.2.15. Relationship Type . . . . . . . . . . . . . . . . . .  24
>>>      3.2.16. Participation Role  . . . . . . . . . . . . . . . . .  25
>>>      3.2.17. RSVP Expectation  . . . . . . . . . . . . . . . . . .  25
>>>      3.2.18. Sent By . . . . . . . . . . . . . . . . . . . . . . .  26
>>>      3.2.19. Time Zone Identifier  . . . . . . . . . . . . . . . .  26
>>>      3.2.20. Value Data Types  . . . . . . . . . . . . . . . . . .  28
>>>    3.3.  Property Value Data Types . . . . . . . . . . . . . . . .  29
>>>      3.3.1.  Binary  . . . . . . . . . . . . . . . . . . . . . . .  29
>>>      3.3.2.  Boolean . . . . . . . . . . . . . . . . . . . . . . .  30
>>>      3.3.3.  Calendar User Address . . . . . . . . . . . . . . . .  30
>>>      3.3.4.  Date  . . . . . . . . . . . . . . . . . . . . . . . .  31
>>>      3.3.5.  Date-Time . . . . . . . . . . . . . . . . . . . . . .  31
>>>      3.3.6.  Duration  . . . . . . . . . . . . . . . . . . . . . .  34
>>>      3.3.7.  Float . . . . . . . . . . . . . . . . . . . . . . . .  35
>>>      3.3.8.  Integer . . . . . . . . . . . . . . . . . . . . . . .  35
>>>      3.3.9.  Period of Time  . . . . . . . . . . . . . . . . . . .  36
>>>      3.3.10. Recurrence Rule . . . . . . . . . . . . . . . . . . .  37
>>>      3.3.11. Text  . . . . . . . . . . . . . . . . . . . . . . . .  45
>>>      3.3.12. Time  . . . . . . . . . . . . . . . . . . . . . . . .  46
>>>      3.3.13. URI . . . . . . . . . . . . . . . . . . . . . . . . .  48
>>>      3.3.14. UTC Offset  . . . . . . . . . . . . . . . . . . . . .  49
>>>    3.4.  iCalendar Object  . . . . . . . . . . . . . . . . . . . .  49
>>>    3.5.  Property  . . . . . . . . . . . . . . . . . . . . . . . .  50
>>>    3.6.  Calendar Components . . . . . . . . . . . . . . . . . . .  50
>>>      3.6.1.  Event Component . . . . . . . . . . . . . . . . . . .  52
>>>      3.6.2.  To-Do Component . . . . . . . . . . . . . . . . . . .  56
>>>      3.6.3.  Journal Component . . . . . . . . . . . . . . . . . .  58
>>>      3.6.4.  Free/Busy Component . . . . . . . . . . . . . . . . .  60
>>>      3.6.5.  Time Zone Component . . . . . . . . . . . . . . . . .  63
>>>      3.6.6.  Alarm Component . . . . . . . . . . . . . . . . . . .  72
>>>    3.7.  Calendar Properties . . . . . . . . . . . . . . . . . . .  77
>>>      3.7.1.  Calendar Scale  . . . . . . . . . . . . . . . . . . .  77
>>>      3.7.2.  Method  . . . . . . . . . . . . . . . . . . . . . . .  78
>>>      3.7.3.  Product Identifier  . . . . . . . . . . . . . . . . .  79
>>>      3.7.4.  Version . . . . . . . . . . . . . . . . . . . . . . .  80
>>>    3.8.  Component Properties  . . . . . . . . . . . . . . . . . .  81
>>>      3.8.1.  Descriptive Component Properties  . . . . . . . . . .  81
>>>        3.8.1.1.  Attachment  . . . . . . . . . . . . . . . . . . .  81
>>>        3.8.1.2.  Categories  . . . . . . . . . . . . . . . . . . .  82
>>>        3.8.1.3.  Classification  . . . . . . . . . . . . . . . . .  83
>>>        3.8.1.4.  Comment . . . . . . . . . . . . . . . . . . . . .  84
>>>        3.8.1.5.  Description . . . . . . . . . . . . . . . . . . .  85
>>>        3.8.1.6.  Geographic Position . . . . . . . . . . . . . . .  87
>>>        3.8.1.7.  Location  . . . . . . . . . . . . . . . . . . . .  88
>>>        3.8.1.8.  Percent Complete  . . . . . . . . . . . . . . . .  89
>>>        3.8.1.9.  Priority  . . . . . . . . . . . . . . . . . . . .  90
>>>        3.8.1.10. Resources . . . . . . . . . . . . . . . . . . . .  92
>>>        3.8.1.11. Status  . . . . . . . . . . . . . . . . . . . . .  93
>>>        3.8.1.12. Summary . . . . . . . . . . . . . . . . . . . . .  94
>>>      3.8.2.  Date and Time Component Properties  . . . . . . . . .  95
>>>        3.8.2.1.  Date-Time Completed . . . . . . . . . . . . . . .  95
>>>        3.8.2.2.  Date-Time End . . . . . . . . . . . . . . . . . .  96
>>>        3.8.2.3.  Date-Time Due . . . . . . . . . . . . . . . . . .  97
>>>        3.8.2.4.  Date-Time Start . . . . . . . . . . . . . . . . .  99
>>>        3.8.2.5.  Duration  . . . . . . . . . . . . . . . . . . . . 100
>>>        3.8.2.6.  Free/Busy Time  . . . . . . . . . . . . . . . . . 101
>>>        3.8.2.7.  Time Transparency . . . . . . . . . . . . . . . . 102
>>>      3.8.3.  Time Zone Component Properties  . . . . . . . . . . . 103
>>>        3.8.3.1.  Time Zone Identifier  . . . . . . . . . . . . . . 103
>>>        3.8.3.2.  Time Zone Name  . . . . . . . . . . . . . . . . . 105
>>>        3.8.3.3.  Time Zone Offset From . . . . . . . . . . . . . . 106
>>>        3.8.3.4.  Time Zone Offset To . . . . . . . . . . . . . . . 106
>>>        3.8.3.5.  Time Zone URL . . . . . . . . . . . . . . . . . . 107
>>>      3.8.4.  Relationship Component Properties . . . . . . . . . . 108
>>>        3.8.4.1.  Attendee  . . . . . . . . . . . . . . . . . . . . 108
>>>        3.8.4.2.  Contact . . . . . . . . . . . . . . . . . . . . . 111
>>> 
>>>        3.8.4.3.  Organizer . . . . . . . . . . . . . . . . . . . . 113
>>>        3.8.4.4.  Recurrence ID . . . . . . . . . . . . . . . . . . 114
>>>        3.8.4.5.  Related To  . . . . . . . . . . . . . . . . . . . 117
>>>        3.8.4.6.  Uniform Resource Locator  . . . . . . . . . . . . 118
>>>        3.8.4.7.  Unique Identifier . . . . . . . . . . . . . . . . 119
>>>      3.8.5.  Recurrence Component Properties . . . . . . . . . . . 120
>>>        3.8.5.1.  Exception Date-Times  . . . . . . . . . . . . . . 120
>>>        3.8.5.2.  Recurrence Date-Times . . . . . . . . . . . . . . 122
>>>        3.8.5.3.  Recurrence Rule . . . . . . . . . . . . . . . . . 124
>>>      3.8.6.  Alarm Component Properties  . . . . . . . . . . . . . 134
>>>        3.8.6.1.  Action  . . . . . . . . . . . . . . . . . . . . . 134
>>>        3.8.6.2.  Repeat Count  . . . . . . . . . . . . . . . . . . 135
>>>        3.8.6.3.  Trigger . . . . . . . . . . . . . . . . . . . . . 135
>>>      3.8.7.  Change Management Component Properties  . . . . . . . 138
>>>        3.8.7.1.  Date-Time Created . . . . . . . . . . . . . . . . 138
>>>        3.8.7.2.  Date-Time Stamp . . . . . . . . . . . . . . . . . 139
>>>        3.8.7.3.  Last Modified . . . . . . . . . . . . . . . . . . 140
>>>        3.8.7.4.  Sequence Number . . . . . . . . . . . . . . . . . 141
>>>      3.8.8.  Miscellaneous Component Properties  . . . . . . . . . 142
>>>        3.8.8.1.  IANA Properties . . . . . . . . . . . . . . . . . 142
>>>        3.8.8.2.  Non-Standard Properties . . . . . . . . . . . . . 142
>>>        3.8.8.3.  Request Status  . . . . . . . . . . . . . . . . . 144
>>>  4.  iCalendar Object Examples . . . . . . . . . . . . . . . . . . 146
>>>  5.  Recommended Practices . . . . . . . . . . . . . . . . . . . . 150
>>>  6.  Internationalization Considerations . . . . . . . . . . . . . 151
>>>  7.  Security Considerations . . . . . . . . . . . . . . . . . . . 151
>>>  8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . 151
>>>    8.1.  iCalendar Media Type Registration . . . . . . . . . . . . 151
>>>    8.2.  New iCalendar Elements Registration . . . . . . . . . . . 155
>>>      8.2.1.  iCalendar Elements Registration Procedure . . . . . . 155
>>>      8.2.2.  Registration Template for Components  . . . . . . . . 155
>>>      8.2.3.  Registration Template for Properties  . . . . . . . . 156
>>>      8.2.4.  Registration Template for Parameters  . . . . . . . . 156
>>>      8.2.5.  Registration Template for Value Data Types  . . . . . 157
>>>      8.2.6.  Registration Template for Values  . . . . . . . . . . 157
>>>    8.3.  Initial iCalendar Elements Registries . . . . . . . . . . 158
>>>      8.3.1.  Components Registry . . . . . . . . . . . . . . . . . 158
>>>      8.3.2.  Properties Registry . . . . . . . . . . . . . . . . . 158
>>>      8.3.3.  Parameters Registry . . . . . . . . . . . . . . . . . 161
>>>      8.3.4.  Value Data Types Registry . . . . . . . . . . . . . . 162
>>>      8.3.5.  Calendar User Types Registry  . . . . . . . . . . . . 162
>>>      8.3.6.  Free/Busy Time Types Registry . . . . . . . . . . . . 163
>>>      8.3.7.  Participation Statuses Registry . . . . . . . . . . . 163
>>>      8.3.8.  Relationship Types Registry . . . . . . . . . . . . . 164
>>>      8.3.9.  Participation Roles Registry  . . . . . . . . . . . . 164
>>>      8.3.10. Actions Registry  . . . . . . . . . . . . . . . . . . 165
>>>      8.3.11. Classifications Registry  . . . . . . . . . . . . . . 165
>>>      8.3.12. Methods Registry  . . . . . . . . . . . . . . . . . . 165
>>>  9.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 165
>>>  10. References  . . . . . . . . . . . . . . . . . . . . . . . . . 166
>>>    10.1. Normative References  . . . . . . . . . . . . . . . . . . 166
>>>    10.2. Informative References  . . . . . . . . . . . . . . . . . 167
>>>  Appendix A.  Differences from RFC 2445  . . . . . . . . . . . . . 169
>>>    A.1.  New Restrictions  . . . . . . . . . . . . . . . . . . . . 169
>>>    A.2.  Restrictions Removed  . . . . . . . . . . . . . . . . . . 169
>>>    A.3.  Deprecated Features . . . . . . . . . . . . . . . . . . . 169
>>> 
>>> 
>>> Corrected Text
>>> --------------
>>>  1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   5
>>>  2.  Basic Grammar and Conventions . . . . . . . . . . . . . . . .   6
>>>    2.1.  Formatting Conventions  . . . . . . . . . . . . . . . . .   6
>>>    2.2.  Related Memos . . . . . . . . . . . . . . . . . . . . . .   8
>>>  3.  iCalendar Object Specification  . . . . . . . . . . . . . . .   8
>>>    3.1.  Content Lines . . . . . . . . . . . . . . . . . . . . . .   9
>>>      3.1.1.  List and Field Separators . . . . . . . . . . . . . .  11
>>>      3.1.2.  Multiple Values . . . . . . . . . . . . . . . . . . .  12
>>>      3.1.3.  Binary Content  . . . . . . . . . . . . . . . . . . .  12
>>>      3.1.4.  Character Set . . . . . . . . . . . . . . . . . . . .  13
>>>    3.2.  Property Parameters . . . . . . . . . . . . . . . . . . .  13
>>>      3.2.1.  Alternate Text Representation . . . . . . . . . . . .  14
>>>      3.2.2.  Common Name . . . . . . . . . . . . . . . . . . . . .  15
>>>      3.2.3.  Calendar User Type  . . . . . . . . . . . . . . . . .  16
>>>      3.2.4.  Delegators  . . . . . . . . . . . . . . . . . . . . .  17
>>>      3.2.5.  Delegatees  . . . . . . . . . . . . . . . . . . . . .  17
>>>      3.2.6.  Directory Entry Reference . . . . . . . . . . . . . .  18
>>>      3.2.7.  Inline Encoding . . . . . . . . . . . . . . . . . . .  18
>>>      3.2.8.  Format Type . . . . . . . . . . . . . . . . . . . . .  19
>>>      3.2.9.  Free/Busy Time Type . . . . . . . . . . . . . . . . .  20
>>>      3.2.10. Language  . . . . . . . . . . . . . . . . . . . . . .  21
>>>      3.2.11. Group or List Membership  . . . . . . . . . . . . . .  21
>>>      3.2.12. Participation Status  . . . . . . . . . . . . . . . .  22
>>>      3.2.13. Recurrence Identifier Range . . . . . . . . . . . . .  23
>>>      3.2.14. Alarm Trigger Relationship  . . . . . . . . . . . . .  24
>>>      3.2.15. Relationship Type . . . . . . . . . . . . . . . . . .  25
>>>      3.2.16. Participation Role  . . . . . . . . . . . . . . . . .  25
>>>      3.2.17. RSVP Expectation  . . . . . . . . . . . . . . . . . .  26
>>>      3.2.18. Sent By . . . . . . . . . . . . . . . . . . . . . . .  27
>>>      3.2.19. Time Zone Identifier  . . . . . . . . . . . . . . . .  27
>>>      3.2.20. Value Data Types  . . . . . . . . . . . . . . . . . .  29
>>>    3.3.  Property Value Data Types . . . . . . . . . . . . . . . .  30
>>>      3.3.1.  Binary  . . . . . . . . . . . . . . . . . . . . . . .  30
>>>      3.3.2.  Boolean . . . . . . . . . . . . . . . . . . . . . . .  31
>>>      3.3.3.  Calendar User Address . . . . . . . . . . . . . . . .  31
>>>      3.3.4.  Date  . . . . . . . . . . . . . . . . . . . . . . . .  32
>>>      3.3.5.  Date-Time . . . . . . . . . . . . . . . . . . . . . .  32
>>>      3.3.6.  Duration  . . . . . . . . . . . . . . . . . . . . . .  35
>>>      3.3.7.  Float . . . . . . . . . . . . . . . . . . . . . . . .  36
>>>      3.3.8.  Integer . . . . . . . . . . . . . . . . . . . . . . .  37
>>>      3.3.9.  Period of Time  . . . . . . . . . . . . . . . . . . .  37
>>>      3.3.10. Recurrence Rule . . . . . . . . . . . . . . . . . . .  38
>>>      3.3.11. Text  . . . . . . . . . . . . . . . . . . . . . . . .  45
>>>      3.3.12. Time  . . . . . . . . . . . . . . . . . . . . . . . .  47
>>>      3.3.13. URI . . . . . . . . . . . . . . . . . . . . . . . . .  49
>>>      3.3.14. UTC Offset  . . . . . . . . . . . . . . . . . . . . .  49
>>>    3.4.  iCalendar Object  . . . . . . . . . . . . . . . . . . . .  50
>>>    3.5.  Property  . . . . . . . . . . . . . . . . . . . . . . . .  51
>>>    3.6.  Calendar Components . . . . . . . . . . . . . . . . . . .  51
>>>      3.6.1.  Event Component . . . . . . . . . . . . . . . . . . .  52
>>>      3.6.2.  To-Do Component . . . . . . . . . . . . . . . . . . .  55
>>>      3.6.3.  Journal Component . . . . . . . . . . . . . . . . . .  57
>>>      3.6.4.  Free/Busy Component . . . . . . . . . . . . . . . . .  59
>>>      3.6.5.  Time Zone Component . . . . . . . . . . . . . . . . .  62
>>>      3.6.6.  Alarm Component . . . . . . . . . . . . . . . . . . .  71
>>>    3.7.  Calendar Properties . . . . . . . . . . . . . . . . . . .  76
>>>      3.7.1.  Calendar Scale  . . . . . . . . . . . . . . . . . . .  76
>>>      3.7.2.  Method  . . . . . . . . . . . . . . . . . . . . . . .  77
>>>      3.7.3.  Product Identifier  . . . . . . . . . . . . . . . . .  78
>>>      3.7.4.  Version . . . . . . . . . . . . . . . . . . . . . . .  79
>>>    3.8.  Component Properties  . . . . . . . . . . . . . . . . . .  80
>>>      3.8.1.  Descriptive Component Properties  . . . . . . . . . .  80
>>>        3.8.1.1.  Attachment  . . . . . . . . . . . . . . . . . . .  80
>>>        3.8.1.2.  Categories  . . . . . . . . . . . . . . . . . . .  81
>>>        3.8.1.3.  Classification  . . . . . . . . . . . . . . . . .  82
>>>        3.8.1.4.  Comment . . . . . . . . . . . . . . . . . . . . .  83
>>>        3.8.1.5.  Description . . . . . . . . . . . . . . . . . . .  84
>>>        3.8.1.6.  Geographic Position . . . . . . . . . . . . . . .  85
>>>        3.8.1.7.  Location  . . . . . . . . . . . . . . . . . . . .  87
>>>        3.8.1.8.  Percent Complete  . . . . . . . . . . . . . . . .  88
>>>        3.8.1.9.  Priority  . . . . . . . . . . . . . . . . . . . .  89
>>>        3.8.1.10. Resources . . . . . . . . . . . . . . . . . . . .  91
>>>        3.8.1.11. Status  . . . . . . . . . . . . . . . . . . . . .  92
>>>        3.8.1.12. Summary . . . . . . . . . . . . . . . . . . . . .  93
>>>      3.8.2.  Date and Time Component Properties  . . . . . . . . .  94
>>>        3.8.2.1.  Date-Time Completed . . . . . . . . . . . . . . .  94
>>>        3.8.2.2.  Date-Time End . . . . . . . . . . . . . . . . . .  95
>>>        3.8.2.3.  Date-Time Due . . . . . . . . . . . . . . . . . .  96
>>>        3.8.2.4.  Date-Time Start . . . . . . . . . . . . . . . . .  97
>>>        3.8.2.5.  Duration  . . . . . . . . . . . . . . . . . . . .  99
>>>        3.8.2.6.  Free/Busy Time  . . . . . . . . . . . . . . . . . 100
>>>        3.8.2.7.  Time Transparency . . . . . . . . . . . . . . . . 101
>>>      3.8.3.  Time Zone Component Properties  . . . . . . . . . . . 102
>>>        3.8.3.1.  Time Zone Identifier  . . . . . . . . . . . . . . 102
>>>        3.8.3.2.  Time Zone Name  . . . . . . . . . . . . . . . . . 103
>>>        3.8.3.3.  Time Zone Offset From . . . . . . . . . . . . . . 104
>>>        3.8.3.4.  Time Zone Offset To . . . . . . . . . . . . . . . 105
>>>        3.8.3.5.  Time Zone URL . . . . . . . . . . . . . . . . . . 106
>>>      3.8.4.  Relationship Component Properties . . . . . . . . . . 106
>>>        3.8.4.1.  Attendee  . . . . . . . . . . . . . . . . . . . . 107
>>>        3.8.4.2.  Contact . . . . . . . . . . . . . . . . . . . . . 109
>>>        3.8.4.3.  Organizer . . . . . . . . . . . . . . . . . . . . 111
>>>        3.8.4.4.  Recurrence ID . . . . . . . . . . . . . . . . . . 112
>>>        3.8.4.5.  Related To  . . . . . . . . . . . . . . . . . . . 115
>>>        3.8.4.6.  Uniform Resource Locator  . . . . . . . . . . . . 116
>>>        3.8.4.7.  Unique Identifier . . . . . . . . . . . . . . . . 117
>>>      3.8.5.  Recurrence Component Properties . . . . . . . . . . . 118
>>>        3.8.5.1.  Exception Date-Times  . . . . . . . . . . . . . . 118
>>>        3.8.5.2.  Recurrence Date-Times . . . . . . . . . . . . . . 120
>>>        3.8.5.3.  Recurrence Rule . . . . . . . . . . . . . . . . . 122
>>>      3.8.6.  Alarm Component Properties  . . . . . . . . . . . . . 132
>>>        3.8.6.1.  Action  . . . . . . . . . . . . . . . . . . . . . 132
>>>        3.8.6.2.  Repeat Count  . . . . . . . . . . . . . . . . . . 133
>>>        3.8.6.3.  Trigger . . . . . . . . . . . . . . . . . . . . . 133
>>>      3.8.7.  Change Management Component Properties  . . . . . . . 136
>>>        3.8.7.1.  Date-Time Created . . . . . . . . . . . . . . . . 136
>>>        3.8.7.2.  Date-Time Stamp . . . . . . . . . . . . . . . . . 137
>>>        3.8.7.3.  Last Modified . . . . . . . . . . . . . . . . . . 138
>>>        3.8.7.4.  Sequence Number . . . . . . . . . . . . . . . . . 138
>>>      3.8.8.  Miscellaneous Component Properties  . . . . . . . . . 139
>>>        3.8.8.1.  IANA Properties . . . . . . . . . . . . . . . . . 140
>>>        3.8.8.2.  Non-Standard Properties . . . . . . . . . . . . . 140
>>>        3.8.8.3.  Request Status  . . . . . . . . . . . . . . . . . 141
>>>  4.  iCalendar Object Examples . . . . . . . . . . . . . . . . . . 144
>>>  5.  Recommended Practices . . . . . . . . . . . . . . . . . . . . 147
>>>  6.  Internationalization Considerations . . . . . . . . . . . . . 148
>>>  7.  Security Considerations . . . . . . . . . . . . . . . . . . . 148
>>>  8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . 149
>>>    8.1.  iCalendar Media Type Registration . . . . . . . . . . . . 149
>>>    8.2.  New iCalendar Elements Registration . . . . . . . . . . . 152
>>>      8.2.1.  iCalendar Elements Registration Procedure . . . . . . 152
>>>      8.2.2.  Registration Template for Components  . . . . . . . . 152
>>>      8.2.3.  Registration Template for Properties  . . . . . . . . 153
>>>      8.2.4.  Registration Template for Parameters  . . . . . . . . 153
>>>      8.2.5.  Registration Template for Value Data Types  . . . . . 154
>>>      8.2.6.  Registration Template for Values  . . . . . . . . . . 154
>>>    8.3.  Initial iCalendar Elements Registries . . . . . . . . . . 155
>>>      8.3.1.  Components Registry . . . . . . . . . . . . . . . . . 155
>>>      8.3.2.  Properties Registry . . . . . . . . . . . . . . . . . 156
>>>      8.3.3.  Parameters Registry . . . . . . . . . . . . . . . . . 158
>>>      8.3.4.  Value Data Types Registry . . . . . . . . . . . . . . 159
>>>      8.3.5.  Calendar User Types Registry  . . . . . . . . . . . . 160
>>>      8.3.6.  Free/Busy Time Types Registry . . . . . . . . . . . . 160
>>>      8.3.7.  Participation Statuses Registry . . . . . . . . . . . 161
>>>      8.3.8.  Relationship Types Registry . . . . . . . . . . . . . 161
>>>      8.3.9.  Participation Roles Registry  . . . . . . . . . . . . 162
>>>      8.3.10. Actions Registry  . . . . . . . . . . . . . . . . . . 162
>>>      8.3.11. Classifications Registry  . . . . . . . . . . . . . . 162
>>>      8.3.12. Methods Registry  . . . . . . . . . . . . . . . . . . 163
>>>  9.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 163
>>>  10. References  . . . . . . . . . . . . . . . . . . . . . . . . . 164
>>>    10.1. Normative References  . . . . . . . . . . . . . . . . . . 164
>>>    10.2. Informative References  . . . . . . . . . . . . . . . . . 165
>>>  Appendix A.  Differences from RFC 2445  . . . . . . . . . . . . . 167
>>>    A.1.  New Restrictions  . . . . . . . . . . . . . . . . . . . . 167
>>>    A.2.  Restrictions Removed  . . . . . . . . . . . . . . . . . . 167
>>>    A.3.  Deprecated Features . . . . . . . . . . . . . . . . . . . 167
>>> 
>>> 
>>> Notes
>>> -----
>>> Most of the Table Of Contents give wrong page numbers
>>> 
>>> Instructions:
>>> -------------
>>> This erratum is currently posted as "Reported". If necessary, please
>>> use "Reply All" to discuss whether it should be verified or
>>> rejected. When a decision is reached, the verifying party
>>> can log in to change the status and edit the report, if necessary.
>>> 
>>> --------------------------------------
>>> RFC5545 (draft-ietf-calsify-rfc2445bis-10)
>>> --------------------------------------
>>> Title               : Internet Calendaring and Scheduling Core Object Specification (iCalendar)
>>> Publication Date    : September 2009
>>> Author(s)           : B. Desruisseaux, Ed.
>>> Category            : PROPOSED STANDARD
>>> Source              : Calendaring and Scheduling Standards Simplification
>>> Area                : Applications
>>> Stream              : IETF
>>> Verifying Party     : IESG
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