ISO/IEC JTC1/SC2/WG2 N 1335

Date: 1996-03-20

INTERNATIONAL ISO/IEC STANDARD 10646-1

First edition

1993-05-01

AMENDMENT 2

1996-XX-XX

>>>> DUMMY FRONT SHEET <<<<

Information technology — Universal Multiple-Octet Coded Character Set (UCS) —

Part 1:

Architecture and Basic Multilingual Plane

AMENDMENT 2: UCS Transformation Format 8 (UTF-8)

Technologies de l'information — Jeu universel de caractères codés à plusieurs octets —

Partie 1: Architecture et table multilingue

AMENDEMENT 2: UTF-8

Reference number

ISO/IEC 10646-1: 1993/AMD.2: 1996 (E)

Contents

Page
Foreword iii
Introduction iv
2 Conformance 1
5 General structure of the UCS 1

Annexes
F The use of "signatures" to identify UCS 1
M External references to character repertoires 1
R UCS Transformation Format 8 (UTF-8) 2
R.1 Features of UTF-8 2
R.2 Specification of UTF-8 2
R.3 Notation 4
R.4 Mapping from UCS-4 form to UTF-8 form 4
R.5 Mapping from UTF-8 form to UCS-4 form 5
R.6 Identification of UTF-8 5
R.7 Incorrect sequences of octets:
Interpretation by receiving devices 5