'ab' => 'Аҧсуа', # Abkhaz, should possibly add ' бысжѡа'
'af' => 'Afrikaans', # Afrikaans
'ak' => 'Akan', # Akan
+ 'aln' => 'Gegë', # Gheg Albanian
'als' => 'Alemannisch', # Alemannic -- not a valid code, for compatibility. See gsw.
'am' => 'አማርኛ', # Amharic
'an' => 'Aragonés', # Aragonese
'as' => 'অসমীয়া', # Assamese
'ast' => 'Asturianu', # Asturian
'av' => 'Авар', # Avar
+ 'avk' => 'Kotava', # Kotava
'ay' => 'Aymar', # Aymara, should possibly be Aymará
'az' => 'Azərbaycan', # Azerbaijani
'ba' => 'Башҡорт', # Bashkir
'cv' => 'Чăвашла', # Chuvash
'cy' => 'Cymraeg', # Welsh
'da' => 'Dansk', # Danish
- 'de' => 'Deutsch', # German
+ 'de' => 'Deutsch', # German ("Du")
+ 'de-formal' => 'Deutsch (Sie-Form)', # German - formal address ("Sie")
'diq' => 'Zazaki', # Zazaki
'dk' => 'Dansk', # Unused code currently redirecting to Danish, 'da' is correct for the language
'dsb' => 'Dolnoserbski', # Lower Sorbian
'fur' => 'Furlan', # Friulian
'fy' => 'Frysk', # Frisian
'ga' => 'Gaeilge', # Irish
+ 'gag' => 'Gagauz', # Gagauz
'gan' => '贛語', # Gan
'gd' => 'Gàidhlig', # Scots Gaelic
'gl' => 'Galego', # Galician
'lb' => 'Lëtzebuergesch', # Luxemburguish
'lbe' => 'Лакку', # Lak
'lez' => 'Лезги', # Lezgi
+ 'lfn' => 'Lingua Franca Nova', # Lingua Franca Nova
'lg' => 'Luganda', # Ganda
'li' => 'Limburgs', # Limburgian
'lij' => 'Líguru', # Ligurian
'lt' => 'Lietuvių', # Lithuanian
'lv' => 'Latviešu', # Latvian
'lzz' => 'Lazuri Nena', #Laz
+ 'mai' => 'मैथिली', # Maithili
'map-bms' => 'Basa Banyumasan', # Banyumasan
'mdf' => 'мокшень кяль', # Moksha
'mg' => 'Malagasy', # Malagasy
'scn' => 'Sicilianu', # Sicilian
'sco' => 'Scots', # Scots
'sd' => 'سنڌي', # Sindhi
- 'sdc' => 'Sassarese', # Sassarese
+ 'sdc' => 'Sassaresu', # Sassarese
'se' => 'Sámegiella', # Northern Sami
'sei' => 'Cmique Itom', # Seri
'sg' => 'Sängö', # Sango/Sangho
'sr-jc' => 'ијекавица', # Serbian cyrillic iyekvian
'sr-el' => 'latinica', # Serbian latin ekavian
'sr-jl' => 'ijekavica', # Serbian latin iyekavian
+ 'srn' => 'Sranantongo', # Sranan Tongo
'ss' => 'SiSwati', # Swati
'st' => 'Sesotho', # Southern Sotho
'stq' => 'Seeltersk', # Saterland Frisian
'wuu' => '吴语', # Wu Chinese
'xal' => 'Хальмг', # Kalmyk-Oirat (Kalmuk, Kalmuck, Kalmack, Qalmaq, Kalmytskii Jazyk, Khal:mag, Oirat, Volga Oirat, European Oirat, Western Mongolian)
'xh' => 'isiXhosa', # Xhosan
+ 'xmf' => 'მარგალური', # Mingrelian
'ydd' => 'מיזרח־ייִדיש', # Eastern Yiddish
'yi' => 'ייִדיש', # Yiddish
'yo' => 'Yorùbá', # Yoruba