From WikiChip
Monolingual text

Types
"Monolingual text" is a container datatype that associates a text value with a specific language code. Further information and examples can be found on the help page.

The datatype does require a language code (i.e. a value annotation without a language code is not accepted).

Retrieved from "https://en.wikichip.org/wiki/Special:Types/Monolingual_text"