ଛାଞ୍ଚ:Lang2iso/doc ନିମନ୍ତେ ଆଧାର ଦେଖିବେ

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This template, '''Lang2iso''', is transcluded from {{tl|DisplayTranslations}}. It should not be transcluded directly from article namespace.

It takes an English-language language name (such as "Abkhazian" or "Sinhalese") and converts it into a two-letter [[ISO 639]] language code.  This table's values are based on [[List of ISO 639-1 codes]].  (Some additions to ISO 639-1 codes are identified below.)  If the provided language name is not identified, then the default value of "en" is returned. 

'''Examples:'''

* <nowiki>{{Lang2iso|German}}</nowiki> returns "de"
* <nowiki>{{Lang2iso|Greek}}</nowiki> returns "el"
* <nowiki>{{Lang2iso|Spanish}}</nowiki> returns "es"

'''Purpose:'''

Since most users will know a language's name but not its ISO code, this template/macro is meant to facilitate invocations of other templates such as [[Template:Lang]].  Thus, instead of recalling (or having to know) that the ISO code for German is "de" and transcluding:

:<nowiki>{{lang|de|Mädchen}}</nowiki> 

one can type:

:<nowiki>{{lang|{{subst:lang2iso|German}}|Mädchen}}</nowiki>

This also reduces the number of parameters that need to be passed to some language routines (such as those similar to [[Template:langWithName]]) since the ISO Language Code can now be derived from the ISO Language Name.

'''Additions to ISO 639-1 Alpha-2 codes:'''
{{see|List of ISO 639-3 codes}}
Not all languages have ISO 639-1 codes.  Thus, as time goes on, users are encouraged to add ISO 639-2 or ISO 639-3 codes.  Thus far, the following additions to ISO 639-1 have been added:

<u>ISO codes</u>
* "Devanāgarī", "Devanagari", "Devanagiri" and "Devangari" return "deva" (per [[ISO 15924]])
* "Klingon" and "Klingonese" return "tlh" (per [[List of ISO 639-2 codes|ISO 639-2]])
* "Manipuri" returns "mni" (per [[List of ISO 639-2 codes|ISO 639-2]])
* "Prakrit" returns "pra" (per [[List of ISO 639-2 codes|ISO 639-2]])
* "Simplified Chinese" returns "hans" (per [[ISO 15924]])
* "Traditional Chinese" returns "hant" (per [[ISO 15924]])

==See also==
*{{tl|Iso2lang}}

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