IETF BCP 47

E682197
IETF Best Current Practice document Internet standard language tagging standard

IETF BCP 47 is the Internet standard that defines the structure and use of language tags for identifying human languages and related variants in digital systems.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (4)

Label Occurrences
BCP 47 3
RFC 5646 2
IETF BCP 47 canonical 1

Statements (47)

Predicate Object
instanceOf IETF Best Current Practice document ⓘ
Internet standard ⓘ
language tagging standard ⓘ
category internationalization standard ⓘ
defines language tags ⓘ
semantics for language tags ⓘ
syntax for language tags ⓘ
use of language tags in Internet protocols ⓘ
exampleTag de-CH-1901 ⓘ
en-US ⓘ
fr-CA ⓘ
zh-Hant-TW ⓘ
fullName Best Current Practice 47 ⓘ
governs identification of human languages ⓘ
identification of language extensions ⓘ
identification of language regions ⓘ
identification of language scripts ⓘ
identification of language variants ⓘ
includesConcept extension subtag ⓘ
primary language subtag ⓘ
private-use subtag ⓘ
region subtag ⓘ
script subtag ⓘ
variant subtag ⓘ
maintainedBy IETF NERFINISHED ⓘ
Internet Engineering Task Force NERFINISHED ⓘ
partOfSeries IETF BCP series NERFINISHED ⓘ
primaryGoal interoperable identification of languages in digital systems ⓘ
publishedBy RFC Editor NERFINISHED ⓘ
relatedTo ISO 15924 script codes NERFINISHED ⓘ
ISO 3166-1 country codes NERFINISHED ⓘ
ISO 639 language codes ⓘ
UN M.49 region codes NERFINISHED ⓘ
replaces RFC 3066 ⓘ
scope global use on the Internet ⓘ
standardizedIn RFC 4647 NERFINISHED ⓘ
RFC 5646 NERFINISHED ⓘ
status Best Current Practice ⓘ
supersedes RFC 1766 NERFINISHED ⓘ
supports language negotiation ⓘ
matching of language tags ⓘ
usedIn HTML lang attribute ⓘ
HTTP Accept-Language header NERFINISHED ⓘ
XML xml:lang attribute ⓘ
email and MIME headers ⓘ
web and Internet protocols ⓘ
usesRegistry IANA Language Subtag Registry NERFINISHED ⓘ

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

ISO 15924 → relatedTo → IETF BCP 47 ⓘ
Accept-Language → languageTagStandard → IETF BCP 47 ⓘ
this entity surface form: BCP 47
Accept-Language → languageTagStandard → IETF BCP 47 ⓘ
this entity surface form: RFC 5646
Content-Language → languageTagStandard → IETF BCP 47 ⓘ
this entity surface form: BCP 47
Content-Language → languageTagStandard → IETF BCP 47 ⓘ
this entity surface form: RFC 5646
SSH Language Tags → influencedBy → IETF BCP 47 ⓘ
this entity surface form: IETF language tags
tso → usedInStandard → IETF BCP 47 ⓘ
this entity surface form: BCP 47