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About This Item
Full Description
ISO 639-6:2009 specifies a method for establishing four-letter language identifiers (alpha-4) and language reference names for language variants and a hierarchical framework for relating them to languages, language families and language groups. The alpha-4 language identifiers have been developed for use in a wide range of applications, especially in computer systems, where there is a potential need to cover the entire range of languages, language families and language groups as well as language variants within each identified language. Alpha-4 language identifiers can support the quantity of known language variants and accommodate any future expansion.
ISO 639-6:2009 provides a hierarchical framework, which facilitates backward compatibility with other ISO 639 codes, based on linguistic and/or geolinguistic relationships, within which a comprehensive enumeration of language variants is possible, including living, extinct, ancient and constructed languages, whether major or minor. As a result, ISO 639-6:2009 caters for a very large number of languages and their variants. ISO 639-6:2009 is not applicable to the registrations for languages designed exclusively for machine use, such as computer-programming languages and reconstructed languages.
Document History
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ISO 639:2023
Code for individual languages and language groups- Most Recent
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ISO 639-4:2010
Codes for the representation of names of languages - Part 4: General principles of coding of the representation of names of languages and related entities, and application guidelines- Historical Version
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ISO 639-6:2009
viewing
Codes for the representation of names of languages - Part 6: Alpha-4 code for comprehensive coverage of language variants- Historical Version
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ISO 639-5:2008
Codes for the representation of names of languages - Part 5: Alpha-3 code for language families and groups- Historical Version
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ISO 639-3:2007
Codes for the representation of names of languages - Part 3: Alpha-3 code for comprehensive coverage of languages- Historical Version
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ISO 639-1:2002
Codes for the representation of names of languages - Part 1: Alpha-2 code- Historical Version
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ISO 639-2:1998
Codes for the representation of names of languages -- Part 2: Alpha-3 code- Historical Version