Preparation, Enforcement, and Comparison of Internationalized Strings Representing Nicknames
RFC 7700
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Type |
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RFC - Proposed Standard
(December 2015; Errata)
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Last updated |
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2015-12-23
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Replaces |
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draft-saintandre-precis-nickname
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Stream |
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IETF
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Formats |
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plain text
pdf
html
bibtex
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WG state
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Submitted to IESG for Publication
Nov 2010
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Document shepherd |
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Matthew Miller
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Shepherd write-up |
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Show
(last changed 2015-06-26)
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| IESG |
IESG state |
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RFC 7700 (Proposed Standard)
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Consensus Boilerplate |
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Yes
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Telechat date |
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Responsible AD |
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Barry Leiba
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Send notices to |
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joe-ietf@cursive.net
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| IANA |
IANA review state |
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Version Changed - Review Needed
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IANA action state |
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RFC-Ed-Ack
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Internet Engineering Task Force (IETF) P. Saint-Andre
Request for Comments: 7700 &yet
Category: Standards Track December 2015
ISSN: 2070-1721
Preparation, Enforcement, and Comparison of
Internationalized Strings Representing Nicknames
Abstract
This document describes methods for handling Unicode strings
representing memorable, human-friendly names (called "nicknames",
"display names", or "petnames") for people, devices, accounts,
websites, and other entities.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc7700.
Copyright Notice
Copyright (c) 2015 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.
Saint-Andre Standards Track [Page 1]
RFC 7700 PRECIS: Nickname December 2015
Table of Contents
1. Introduction ....................................................2
1.1. Overview ...................................................2
1.2. Terminology ................................................3
2. Nickname Profile ................................................3
2.1. Rules ......................................................3
2.2. Preparation ................................................5
2.3. Enforcement ................................................5
2.4. Comparison .................................................5
3. Examples ........................................................5
4. Use in Application Protocols ....................................6
5. IANA Considerations .............................................7
6. Security Considerations .........................................8
6.1. Reuse of PRECIS ............................................8
6.2. Reuse of Unicode ...........................................8
6.3. Visually Similar Characters ................................8
7. References ......................................................8
7.1. Normative References .......................................8
7.2. Informative References .....................................9
Acknowledgements ..................................................11
Author's Address ..................................................11
1. Introduction
1.1. Overview
A number of technologies and applications provide the ability for a
person to choose a memorable, human-friendly name in a communications
context, or to set such a name for another entity such as a device,
account, contact, or website. Such names are variously called
"nicknames" (e.g., in chat room applications), "display names" (e.g.,
in Internet mail), or "petnames" (see [PETNAME-SYSTEMS]); for
consistency, these are all called "nicknames" in this document.
Nicknames are commonly supported in technologies for textual chat
rooms, e.g., Internet Relay Chat [RFC2811] and multi-party chat
technologies based on the Extensible Messaging and Presence Protocol
(XMPP) [RFC6120] [XEP-0045], the Message Session Relay Protocol
(MSRP) [RFC4975] [RFC7701], and Centralized Conferencing (XCON)
[RFC5239] [XCON-SYSTEM]. Recent chat room technologies also allow
internationalized nicknames because they support characters from
outside the ASCII range [RFC20], typically by means of the Unicode
character set [Unicode]. Although such nicknames tend to be used
primarily for display purposes, they are sometimes used for
programmatic purposes as well (e.g., kicking users or avoiding
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