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A 'language code' is a code that assigns letters or numbers as identifiers for languages. Often used language codes include those of ISO 639, particularly ISO 639-1 and ISO 639-2. Internet standards commonly use IETF language tags, which are based on ISO 639.
Formerly common were the old SIL codes, but these are obsolete now that SIL uses ISO 639-3.
As an example, French has the code fr in ISO 639-1, fra in ISO 639-2/T and ISO 639-3, fre in ISO 639-2/B, and FRN in old SIL.

Contents

See also

External links

See also

★ ISO 639

★ Ethnologue (SIL code)

★ Linguasphere language code

★ IETF language tag

External links

★ Language Identifiers in the Markup Context

★ RFC 4646

★ http://www.w3.org/International/questions/qa-lang-2or3