Editing Language code (section)

== Common schemes ==

{| class="wikitable"
|+List of some common language code schemes
|- style="vertical-align:top"
! Scheme
! Notes
! Examples for English
! Examples for Spanish
|- style="vertical-align:top"
| ''[[Glottolog]]'' codes
| Created for minority languages as a scientific alternative to the industrial ISO 639‑3 standard.<br />Intentionally do not resemble abbreviations.
|
* '''stan1293''' – standard English
* '''macr1271''' – macro-English (Modern English, incl. creoles)
* '''midd1317''' – Middle English
* '''merc1242''' – Mercian (Middle to Modern English)
* '''olde1238''' – Old English
* '''angl1265''' – Anglian (Old to Modern English, incl. Scots)
|
* '''stan1288''' – standard Spanish
* '''olds1249''' – Old Spanish
* '''cast1243''' – Castilic (Old to Modern Spanish, incl. Extremaduran and creoles)
|- style="vertical-align:top"
| [[IETF language tag]]
| An IETF best practice, specified by BCP 47,<ref name="RFC">{{Cite web|url=https://tools.ietf.org/html/bcp47|title=Information on BCP 47 » RFC Editor}}</ref> for language tags easy to parse by computer. The tag system is extensible to region, dialect, and private designations. It references ISO 639, ISO 3166 and ISO 15924.
|
* '''en''' – English, as shortest ISO 639 code.
* '''en-US''' – English as used in the United States (US is the [[ISO 3166-1|ISO 3166‑1]] country code for the United States)<ref name="RFC"/>
|
* '''es''' – Spanish, as shortest ISO 639 code.
* '''es-419''' – Spanish appropriate for the Latin America and Caribbean region, using the [[UN M.49|UN M.49 region code]]
|- style="vertical-align:top"
| [[ISO 639-1|ISO 639‑1]]
| Two-letter code system made official in 2002, containing 136 codes at the time. Many systems use two-letter ISO 639‑1 codes supplemented by three-letter ISO 639‑2 codes when no two-letter code is applicable.

There are 183 two-letter codes registered as of June 2021.
See: [[List of ISO 639 language codes]]
|
* '''en'''
|
* '''es''' – Spanish
|- style="vertical-align:top"
|[[ISO 639-2|ISO 639‑2]]
| Three-letter system of 464 codes.

See: [[List of ISO 639-2 codes]]
|
* '''eng''' – three-letter code
* '''enm''' – Middle English, c. 1100–1500
* '''ang''' – Old English, c. 450–1100
* '''cpe''' – other English-based creoles and pidgins
|
* '''spa''' – Spanish
|- style="vertical-align:top"
|[[ISO 639-3|ISO 639‑3]]
|An extension of ISO 639‑2 to cover all known, living or dead, spoken or written languages in 7,589 entries.

See: [[List of ISO 639-3 codes]]
|
* '''eng''' – three-letter code
* '''enm''' – Middle English, c. 1100–1500
* '''aig''' – Antigua and Barbuda Creole English
* '''ang''' – Old English, c. 450–1100
* '''svc''' – Vincentian Creole English
|
* '''spa''' – Spanish
* '''spq''' – Spanish, Loreto-Ucayali
* '''ssp''' – Spanish sign language
|- style="vertical-align:top"
| ''[[Linguasphere Register ]]'' code-system
| Two-digit + one to six letter Linguasphere Register code-system published in 2000,<ref>{{cite web|title=The Linguasphere Register in PDF|url=http://www.linguasphere.info/lcontao/bienvenue-welcome.html|website=l’Observatoire linguistique (Linguasphere Observatory)|access-date=20 April 2015|archive-url=https://web.archive.org/web/20150427113020/http://www.linguasphere.info/lcontao/bienvenue-welcome.html|archive-date=27 April 2015|url-status=dead}}</ref> containing over 32,000 codes within 10 sectors of reference, covering the world's languages and speech communities.
|
Within hierarchy of Linguasphere Register code-system:
* '''5=''' Indo-European phylosector
* '''52=''' Germanic phylozone
* '''52-A''' Germanic set
* '''52-AB''' English + Anglo-Creole chain
* '''52-ABA''' English net
* '''52-ABA-c''' Global English (outer unit)<br /> '''52-ABA-ca''' to '''52-ABA-cwe''' (186 varieties)

''Compare:'' '''52-ABA-a''' Scots + Northumbrian <br />outer unit &  '''52-ABA-b''' "Anglo-English" outer unit <br />(= South Great Britain traditional varieties + Old Anglo-Irish)
|
Within hierarchy of Linguasphere Register code-system:
* '''5=''' Indo-European phylosector
* '''51=''' Romanic phylozone
* '''51-A''' Romance set
* '''51-AA''' Romance chain
* '''51-AAA''' West Romance net
* '''51-AAA-b''' Español/Castellano (outer unit) <br /> '''51-AAA-ba''' to '''51-AAA-bkk''' (58 varieties)

''Compare:'' '''51-AAA-a''' Português + Galego outer unit & '''51-AAA-c''' Astur + Leonés outer unit, etc.
|- style="vertical-align:top"
| [[Ethnologue|SIL codes]] (10th–14th editions)
| Codes created for use in the ''[[Ethnologue]]'', a publication of [[SIL International]] that lists language statistics. The publication now uses ISO 639‑3 codes.
| '''ENG'''
| '''SPN'''
|- style="vertical-align:top"
| [[Verbix]] language codes
| Constructed codes starting with old SIL codes and adding more information.<ref>[http://www.verbix.com/languages/codes.asp Verbix language codes] {{Webarchive|url=https://web.archive.org/web/20090401232004/http://www.verbix.com/languages/codes.asp |date=2009-04-01 }}, ''Verbix''</ref>
|'''ENG'''
|'''SPN'''
|}