Set of documents to build (default language, must list full set of documents available for product version)
Language code (`la-ng` style) of documents to build in this context
| Data type | token |
|---|---|
| Parameters | pattern: [a-z]{2}(-[a-z]{2,8})? |
Whether this is the default language (must be true for initial `<language/>` element)
| Data type | enum |
|---|---|
| Parameters | - |