ASCII Escaping of Unicode Characters
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From: The IESG
To: IETF-Announce Cc: Internet Architecture Board , RFC Editor Subject: Protocol Action: 'ASCII Escaping of Unicode Characters' to BCP The IESG has approved the following document: - 'ASCII Escaping of Unicode Characters ' as a BCP This document has been reviewed in the IETF but is not the product of an IETF Working Group. The IESG contact person is Chris Newman. A URL of this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-klensin-unicode-escapes-08.txt
Technical Summary 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 offset 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. Working Group Summary This is the product of an individual submission. Protocol Quality This has been extensively reviewed and debated on the firstname.lastname@example.org mailing list and by active participants of the Unicode community. The discussions were not able to achieve consensus to recommend one specific format, but rather to recommend two good formats and discourage use of some problematic formats. There was some debate over how much discussion of problematic formats was appropriate. This was reviewed for the IESG by Chris Newman. This document passed idnits 2.04.16.