[rfc-dist] BCP 137, RFC 5137 on ASCII Escaping of Unicode Characters
rfc-editor at rfc-editor.org
Fri Feb 22 17:13:06 PST 2008
A new Request for Comments is now available in online RFC libraries.
Title: ASCII Escaping of Unicode Characters
Author: J. Klensin
Status: Best Current Practice
Date: February 2008
Mailbox: john-ietf at jck.com
See Also: BCP0137
I-D Tag: draft-klensin-unicode-escapes-07.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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