mlanguage_code -

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       Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST)
       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free
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Version 1.8.4                                    Mon Sep 25 2023                           mlanguage_code(3m17n)

       Get a language code. The mlanguage_code() function returns a symbol whose name is the ISO639 language
       code of language.  language is a symbol whose name is an ISO639-2 3-letter language code, an ISO639-1
       2-letter language codes, or an English word.

       len specifies the type of the returned language code. If it is 3, an ISO639-2 3-letter language code is
       returned. If it is 2, an ISO639-1 2-letter language code is returned when defined; otherwise Mnil is
       returned. If it is 0, a 2-letter code is returned when defined; otherwise a 3-letter code is returned.

       mlanguage_code -

           If the information is available, this function returns a non-Mnil symbol. Otherwise, it returns Mnil.

mlanguage_name_list(), mlanguage_text().

       MSymbol mlanguage_code (MSymbol language, int len)