IETF language tag
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| − | An IETF '''language tag''' is a standard identifier for a human language or | + | An IETF '''language tag''' is a standard identifier for a human language or dialect. It is a short string of text; an example is "en-US". |
A language tag consists of a sequence of hyphen-separated ''subtags'', which define and refine the language. | A language tag consists of a sequence of hyphen-separated ''subtags'', which define and refine the language. | ||
Registration of subtags is handled by [https://www.iana.org/ IANA]. Language ''tags'' are no longer registered directly. | Registration of subtags is handled by [https://www.iana.org/ IANA]. Language ''tags'' are no longer registered directly. | ||
| + | |||
| + | ''[TODO: What exactly is the relationship between this and ISO 639?]'' | ||
== Specifications == | == Specifications == | ||
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* RFC 3066: Tags for the Identification of Languages | * RFC 3066: Tags for the Identification of Languages | ||
* RFC 4646: Tags for Identifying Languages | * RFC 4646: Tags for Identifying Languages | ||
| + | |||
| + | == See also == | ||
| + | * [[ISO 3166-1 country code]] | ||
== Links == | == Links == | ||
Latest revision as of 15:15, 8 October 2016
An IETF language tag is a standard identifier for a human language or dialect. It is a short string of text; an example is "en-US".
A language tag consists of a sequence of hyphen-separated subtags, which define and refine the language.
Registration of subtags is handled by IANA. Language tags are no longer registered directly.
[TODO: What exactly is the relationship between this and ISO 639?]
Contents |
[edit] Specifications
- RFC 5646: Tags for Identifying Languages
- RFC 4647: Matching of Language Tags
- BCP 47: Tags for Identifying Languages
[edit] Obsolete RFCs
- RFC 1766: Tags for the Identification of Languages
- RFC 3066: Tags for the Identification of Languages
- RFC 4646: Tags for Identifying Languages
[edit] See also
[edit] Links
- IANA Protocol Registries, "Language Tags" section
- Wikipedia: IETF language tag
- Wikipedia: ISO 639
- langtag.net
