This document describes a language tag for use in cases where it is desired to indicate the language used in an information object. It also defines a Content-language: header, for use in the case where one desires to indicate the language of something that has RFC-822- like headers, like MIME body parts or Web documents, and a new parameter to the Multipart/Alternative type, to aid in the usage of the Content-Language: header.


All 2-letter tags are interpreted according to ISO standard 639, "Code for the representation of names of languages" [ISO 639].


All 2-letter codes are interpreted as ISO 3166 alpha-2 country codes denoting the area in which the language is used.

Extrait de [ recommandation Tags for the Identification of Languages]

Recommandations (attention, cette partie est maintenue de façon occasionnelle)
Tags for the Identification of Languages
- Recommandation, 01-03-1995, version RFC 1766
- accès à l'historique des versions

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