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© ISO 2009 – All rights reserved ISO TC 37/SC 2/WG 1 N204 Date: 2011-06-07 ISO 639-0 ISO TC 37/SC 2/WG 1 Secretariat: SCC Code for the representation of names of languages — Part 0: Revision of linear text Code pour la représentation des noms de langue — Partie 0 This document is the second Working Draft of the “next generation” ISO 639, which is intended to replace all linear text of all current parts of the ISO 639 series of International Standards, making this document the only linear (paper) document supporting ISO 639. This Working Draft is made available to ISO/TC 37/SC 2/WG 1 and to ISO 639/RA-JAC for comments. Document type: International Standard Document subtype: Document stage: (20) Working Draft Document language: E H:\Mine Dokumenter\ISO 639\TC037 SC02 WG01\N documents\N200-299\N204 WD 639-0 (2011-06- 07).docx STD Version 2.1c ISO 639-0 Copyright notice This ISO document is a Draft International Standard and is copyright-protected by ISO. 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Violators may be prosecuted. ii © ISO 2009 – All rights reserved ISO 639-0 Contents Page Foreword ...................................................................................................................................................... v Introduction ................................................................................................................................................. vi 1 Scope ............................................................................................................................................... 1 2 Normative references ...................................................................................................................... 1 3 Terms and definitions ..................................................................................................................... 2 4 Fundamental concepts of language coding ................................................................................... 5 4.1 Language identifiers and languages .............................................................................................. 5 4.2 Individual languages ....................................................................................................................... 6 4.3 Macrolanguages .............................................................................................................................. 6 4.4 Linguistic norm ............................................................................................................................... 7 4.5 Dialects ............................................................................................................................................ 7 4.6 Collective language code elements and language groups ............................................................ 7 4.7 Extinct, ancient and historic languages ......................................................................................... 7 4.8 Artificial languages ......................................................................................................................... 8 4.9 Writing systems and scripts ........................................................................................................... 8 5 Description of the ISO 639 database and code .............................................................................. 8 5.1 The ISO 639 database...................................................................................................................... 8 5.2 ISO 639 as one code space ............................................................................................................. 8 5.3 Subsets of ISO 639 .......................................................................................................................... 8 5.4 Principles ......................................................................................................................................... 8 5.5 Applications ..................................................................................................................................... 9 5.6 Subsets of the code table ..............................................................................................................10 5.7 Language groups ...........................................................................................................................10 6 Language description format (LDF) ...............................................................................................11 6.1 Compatibilities between the ISO 639 model and ISO 12620 .........................................................11 6.1.1 General............................................................................................................................................11 6.1.2 Identification ...................................................................................................................................12 6.1.3 Description of an ISO 639 language identifier...............................................................................14 6.2 Extensions to ISO 12620 for ISO 639 LDF .....................................................................................17 6.2.1 Representation ...............................................................................................................................17 6.2.2 Documentation ...............................................................................................................................19 6.3 Language information ....................................................................................................................21 7 Combining language identifiers with other standards and codes ...............................................22 7.1 Combining ISO 639 with ISO 3166 .................................................................................................23 7.2 Combining ISO 639 with ISO 19111 and ISO 19112 ......................................................................23 7.3 Combining ISO 639 with ISO 15924 ...............................................................................................23 7.4 Other code combinations ...............................................................................................................23 7.5 Formats of combined identifiers ....................................................................................................24 Annex A (informative) Governance and maintenance of ISO 639 .............................................................25 A.1 General principles ..........................................................................................................................25 A.2 ISO 639 Validation team .................................................................................................................25 A.3 ISO 639 Secretariat .........................................................................................................................25 A.4 ISO 639 Maintenance team .............................................................................................................25 A.5 Change requests ............................................................................................................................25 A.6 Creation of language identifiers ....................................................................................................25 A.7 Stability of the code table ..............................................................................................................25 Annex B (informative) Transition rules .......................................................................................................27 B.1 General............................................................................................................................................27 B.2 Registration Authorities and responsibilities for parts of the previous ISO 639 .........................27 © ISO 2009 – All rights reserved iii ISO 639-0 B.2.1 Current situation ............................................................................................................................ 27 B.2.2 Transition rules .............................................................................................................................. 27 B.3 Joint Advisory Committee ISO 639/RA-JAC ................................................................................. 27 B.3.1 Current situation ............................................................................................................................ 27 B.3.2 Transition rules .............................................................................................................................. 28 B.4 Secretariat .....................................................................................................................................