'en-gb' => 'British English', # British English
'eo' => 'Esperanto', # Esperanto
'es' => 'español', # Spanish
+ 'es-formal' => 'español (formal)', # Spanish formal address
'et' => 'eesti', # Estonian
'eu' => 'euskara', # Basque
'ext' => 'estremeñu', # Extremaduran
'hsb' => 'hornjoserbsce', # Upper Sorbian
'ht' => 'Kreyòl ayisyen', # Haitian Creole French
'hu' => 'magyar', # Hungarian
+ 'hu-formal' => 'magyar (formal)', # Hungarian formal address
'hy' => 'Հայերեն', # Armenian
'hz' => 'Otsiherero', # Herero
'ia' => 'interlingua', # Interlingua (IALA)
'ky' => 'Кыргызча', # Kirghiz
'la' => 'Latina', # Latin
'lad' => 'Ladino', # Ladino
- 'lb' => 'Lëtzebuergesch', # Luxemburguish
+ 'lb' => 'Lëtzebuergesch', # Luxembourgish
'lbe' => 'лакку', # Lak
'lez' => 'лезги', # Lezgi
'lfn' => 'Lingua Franca Nova', # Lingua Franca Nova