Editing Module:ISO 639 name/doc (section)

==iso_639==
When given an ISO 639 language code, return the associated language name; when given a language name, returns the associated ISO 639 language code.  May return an error message with or without a language code/name.

This function may not be particularly useful because, except for case, a provided <code>&lt;{{var|language name}}></code> must exactly match the name in the data tables.

Optional parameters:
:<code>&lt;{{var|part}}></code> (second positional parameter) – limits return to codes/names from the specified <code>&lt;{{var|part}}></code> (<code>1</code>, <code>2</code>, <code>3</code>, <code>5</code>), override table first then the appropriate data table; when not supplied, this function searches in order part 1 to part 5.  The search stops when a match is found.
:{{para|hide-err|yes}}: suppresses error messages

Examples:
:without <code>&lt;{{var|part}}></code>, with ISO 639-5 code:
::<code><nowiki>{{#invoke:ISO 639 name|iso_639|gmq}}</nowiki></code> → {{#invoke:ISO 639 name|iso_639|gmq}}
:without <code>&lt;{{var|part}}></code>, with ISO 639-5 name:
::<code><nowiki>{{#invoke:ISO 639 name|iso_639|North Germanic languages}}</nowiki></code> → {{#invoke:ISO 639 name|iso_639|North Germanic languages}}
:with <code>&lt;{{var|part}}></code> and <code>&lt;{{var|code}}></code>:
::<code><nowiki>{{#invoke:ISO 639 name|iso_639|nav|2}}</nowiki></code> → {{#invoke:ISO 639 name|iso_639|nav|2}}
:with <code>&lt;{{var|part}}></code> and <code>&lt;{{var|name}}></code>:
::<code><nowiki>{{#invoke:ISO 639 name|iso_639|Navaho|2}}</nowiki></code> → {{#invoke:ISO 639 name|iso_639|Navaho|2}}

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[[Category:Language-related modules]]
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