&EthnologueCode system store
The optional EthnologueCode system store specifies the language the keyboard is made for by use of an SIL Ethnologue three-letter language code. This information is intended for use by third-party applications.
For a list of codes, or more information about Ethnologue, see www.ethnologue.com.
Examples
store(ÐNOLOGUECODE) "ICE" c Icelandic