This template produces an in-line link to the SIL page documenting the language corresponding to an ISO639-3 code. It is mostly used in tables and footnotes to reference the ISO code or name, or in geographical articles to attest to the existence of a language, where there are no claims, such as speaker populations, that are likely to become dated and change from one edition of Ethnologue to the next. To reference a specific edition of Ethnologue, {{Ethnologue25}} (or another edition number) should be used.
The first parameter links to SIL through an ISO 639-3 code. For example,
If a second parameter is used, it will display instead of the ISO code. For example,
Both formats link to the ISO code page for Arára at SIL.
{{ISO 639|css|link=yes}}
: gives Southern Ohlone.[[ISO639-3:(code)]]
, which is used for links to the external ISO code page