RFC 9233 on Internationalized Domain Names for Applications 2008 (IDNA2008) and Unicode 12.0.0
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Subject: RFC 9233 on Internationalized Domain Names for Applications 2008 (IDNA2008) and Unicode 12.0.0
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A new Request for Comments is now available in online RFC libraries.
RFC 9233
Title: Internationalized Domain Names for Applications
2008 (IDNA2008) and Unicode 12.0.0
Author: P. Fältström
Status: Standards Track
Stream: IETF
Date: March 2022
Mailbox: paf@netnod.se
Pages: 26
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-faltstrom-unicode12-07.txt
URL: https://www.rfc-editor.org/info/rfc9233
DOI: 10.17487/RFC9233
This document describes the changes between Unicode 6.0.0 and Unicode
12.0.0 in the context of the current version of Internationalized
Domain Names for Applications 2008 (IDNA2008). Some additions and
changes have been made in the Unicode Standard that affect the values
produced by the algorithm IDNA2008 specifies. IDNA2008 allows adding
exceptions to the algorithm for backward compatibility; however, this
document does not add any such exceptions. This document provides the
necessary tables to IANA to make its database consistent with Unicode
12.0.0.
To improve understanding, this document describes systems that are
being used as alternatives to those that conform to IDNA2008.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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