What is the relationship between the Internet RFC 4646 (and its predecessors RFC 3066 and 1766) and the ISO 639 standards?
Internet RFC 4646 (Tags for the Identification of Languages), describes the structure, content, construction, and semantics of language tags for use in cases where it is desirable to indicate the language used in an information object. It also describes how to register values for use in language tags and the creation of user-defined extensions for private interchange.The language tag consists of a primary subtag and a series of subsequent subtags, each of which narrows or refines the range of languages identified by the overall tag. It enables the user to specify, in addition to the primary language, other characteristics such as script, country, or variant. It is considered an Internet Best Current Practices for the Internet Community and gives guidance for the use of ISO 639 codes. RFC 4646 specifies use of a 2-character code from ISO 639-1 when it exists; when a language does not have a 2-character code assigned the 3-character code is used. Although it states that the 3-character t
Related Questions
- What is the relationship between the Internet RFC 4646 (and its predecessors RFC 3066 and 1766) and the ISO 639 standards?
- What is the relationship between the Internet RFC 3066 (and its predecessor RFC 1766) and the ISO 15924 standards?
- What is the relationship between the Internet RFC 3066 (and its predecessor RFC 1766) and the ISO 639 standards?
