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The publication tooling cannot expand the language value set because they are based on a grammar.  To aid in the reader's understanding, sample codes are shown below:

**Examples of 2-character codes for common languages**

|ISO 639-1 Code|English name of Language|
|---|---|
|en|English|
|es|Spanish|
|zh |Chinese|
|fr|French|
|tl|Tagalog|
|vi|Vietnamese|
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**Examples of 3-character code for languages where a 2-character code does not exist**

|ISO 639-2 Code|English name of Language|
|---|---|
|yue|Cantonese|
|chn|Chinook jargon|
|cho|Choctaw|
|chp|Chipewyan|
|chr|Cherokee|
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For a more complete list of both 2 and 3-letter examples, see [https://www.loc.gov/standards/iso639-2/php/code_list.php](https://www.loc.gov/standards/iso639-2/php/code_list.php)

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