Language (R)
The language(s) of the resource (occurrences: 0-n).
Allowed values, examples, other constraints
Allowed values should be taken from ISO 639-1 and 639-3 language codes or IETF BCP 47. Examples: ‘en’, ‘de’ or ‘eng’, ‘deu’ or ‘de-AT’, ‘en-US’.
Example
1<languages>
2 <language>en</language>
3 <language>fr</language>
4</languages>