RFC 5137 on ASCII Escaping of Unicode Characters

From: Stephane Bortzmeyer (bortzmeyer@nic.fr)
Date: Tue Feb 26 2008 - 03:45:29 CST

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            BCP 137
            RFC 5137

            Title: ASCII Escaping of Unicode Characters
            Author: J. Klensin
            Status: Best Current Practice
            Date: February 2008
            Mailbox: john-ietf@jck.com
            Pages: 13
            Characters: 27742
            See Also: BCP0137

            I-D Tag: draft-klensin-unicode-escapes-07.txt

            URL: http://www.rfc-editor.org/rfc/rfc5137.txt

    There are a number of circumstances in which an escape mechanism is
    needed in conjunction with a protocol to encode characters that
    cannot be represented or transmitted directly. With ASCII coding,
    the traditional escape has been either the decimal or hexadecimal
    numeric value of the character, written in a variety of different
    ways. The move to Unicode, where characters occupy two or more
    octets and may be coded in several different forms, has further
    complicated the question of escapes. This document discusses some
    options now in use and discusses considerations for selecting one for
    use in new IETF protocols, and protocols that are now being
    internationalized. This document specifies an Internet Best Current
    Practices for the Internet Community, and requests discussion and
    suggestions for improvements.

    BCP: This document specifies an Internet Best Current Practices for the
    Internet Community, and requests discussion and suggestions for
    improvements. Distribution of this memo is unlimited.

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