Template:Language icon/Notes
{{Language icon/Notes}} is a template usually used to indicate to readers that an external link is in a foreign language; no parameters are needed.
It should generally be placed after the external link, although this is not set in stone.
The template uses the {{Language icon}} format, but is shortened by simply having the name {{xx icon}}, where xx represents the language code. These can be found in the "Alpha-2" column of the list of ISO 639 codes.
On a side note, please be aware that language codes do not always coincide with country codes (see the list of ISO 3166-1 codes).
Category:Language icon templates contains a full list of the templates that can be used.
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Usage
edit{{Language icon/Notes}} is documentation for the many separate language icon templates in Category:Language icon templates, as many will need the same documentation. Using one template makes updates to the respective pages easier.