A new Request for Comments is now available in online RFC libraries.
RFC 6885
Title: Stringprep Revision and Problem Statement
for the Preparation and Comparison of
Internationalized Strings (PRECIS)
Author: M. Blanchet, A. Sullivan
Status: Informational
Stream: IETF
Date: March 2013
Mailbox: Marc.Blanchet@viagenie.ca,
asullivan@dyn.com
Pages: 34
Characters: 72167
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-precis-problem-statement-09.txt
URL: http://www.rfc-editor.org/rfc/rfc6885.txt
If a protocol expects to compare two strings and is prepared only for
those strings to be ASCII, then using Unicode code points in those
strings requires they be prepared somehow. Internationalizing Domain
Names in Applications (here called IDNA2003) defined and used
Stringprep and Nameprep. Other protocols subsequently defined
Stringprep profiles. A new approach different from Stringprep and
Nameprep is used for a revision of IDNA2003 (called IDNA2008). Other
Stringprep profiles need to be similarly updated, or a replacement of
Stringprep needs to be designed. This document outlines the issues
to be faced by those designing a Stringprep replacement.
This document is a product of the Preparation and Comparison of Internationalized Strings Working Group of the IETF.
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