2004-01-18 by Bruno Haible
Updated from http://www.loc.gov/standards/iso639-2/index.html
2008-04-25 by Bruno Haible
+Updated from http://www.loc.gov/standards/iso639-2/index.html
+2014-05-31 by Daiki Ueno
Two-letter lower-case symbols are used.
The Registration Authority for ISO 639 is Infoterm, Osterreichisches
ba Bashkir
be Belarusian
bg Bulgarian
-bh Bihari
+bh Bihari languages
bi Bislama
bm Bambara
-bn Bengali; Bangla
+bn Bengali
bo Tibetan
br Breton
bs Bosnian
-ca Catalan
+ca Catalan; Valencian
ce Chechen
ch Chamorro
co Corsican
cr Cree
cs Czech
-cu Church Slavic
+cu Church Slavic; Old Slavonic; Church Slavonic; Old Bulgarian; Old Church Slavonic
cv Chuvash
cy Welsh
da Danish
de German
-dv Divehi; Maldivian
-dz Dzongkha; Bhutani
+dv Divehi; Dhivehi; Maldivian
+dz Dzongkha
-ee @'Ew@'e
-el Greek
+ee Ewe
+el Greek, Modern (1453-)
en English
eo Esperanto
-es Spanish
+es Spanish; Castilian
et Estonian
eu Basque
fa Persian
ff Fulah
fi Finnish
-fj Fijian; Fiji
+fj Fijian
fo Faroese
fr French
fy Western Frisian
ga Irish
-gd Scottish Gaelic
+gd Gaelic; Scottish Gaelic
gl Galician
gn Guarani
gu Gujarati
gv Manx
ha Hausa
-he Hebrew (formerly iw)
+he Hebrew
hi Hindi
ho Hiri Motu
hr Croatian
hy Armenian
hz Herero
-ia Interlingua
-id Indonesian (formerly in)
+ia Interlingua (International Auxiliary Language Association)
+id Indonesian
ie Interlingue; Occidental
ig Igbo
ii Sichuan Yi; Nuosu
-ik Inupiak; Inupiaq
+ik Inupiak
io Ido
is Icelandic
it Italian
kj Kuanyama; Kwanyama
kk Kazakh
kl Kalaallisut; Greenlandic
-km Central Khmer; Cambodian
+km Central Khmer
kn Kannada
ko Korean
kr Kanuri
ku Kurdish
kv Komi
kw Cornish
-ky Kirghiz
+ky Kirghiz; Kyrgyz
la Latin
-lb Letzeburgesch; Luxembourgish
+lb Luxembourgish; Letzeburgesch
lg Ganda
-li Limburgish; Limburger; Limburgan
+li Limburgan; Limburger; Limburgish
ln Lingala
-lo Lao; Laotian
+lo Lao
lt Lithuanian
lu Luba-Katanga
-lv Latvian; Lettish
+lv Latvian
mg Malagasy
mh Marshallese
mk Macedonian
ml Malayalam
mn Mongolian
-mo Moldavian
mr Marathi
ms Malay
mt Maltese
my Burmese
na Nauru
-nb Norwegian Bokm@aa{}l
-nd Ndebele, North
+nb Bokm@aa{}l, Norwegian; Norwegian Bokm@aa{}l
+nd Ndebele, North; North Ndebele
ne Nepali
ng Ndonga
-nl Dutch
-nn Norwegian Nynorsk
+nl Dutch; Flemish
+nn Norwegian Nynorsk; Nynorsk, Norwegian
no Norwegian
-nr Ndebele, South
+nr Ndebele, South; South Ndebele
nv Navajo; Navaho
ny Chichewa; Nyanja
-oc Occitan; Proven@,{c}al
+oc Occitan (post 1500); Proven@,{c}al
oj Ojibwa
-om (Afan) Oromo
+om Oromo
or Oriya
os Ossetian; Ossetic
pa Panjabi; Punjabi
pi Pali
pl Polish
-ps Pashto; Pushto
+ps Pushto; Pashto
pt Portuguese
qu Quechua
rm Romansh
-rn Rundi; Kirundi
-ro Romanian
+rn Rundi
+ro Romanian; Moldavian; Moldovan
ru Russian
rw Kinyarwanda
sc Sardinian
sd Sindhi
se Northern Sami
-sg Sango; Sangro
+sg Sango
si Sinhala; Sinhalese
sk Slovak
sl Slovenian
so Somali
sq Albanian
sr Serbian
-ss Swati; Siswati
-st Sesotho; Sotho, Southern
+ss Swati
+st Sotho, Southern
su Sundanese
sv Swedish
sw Swahili
ti Tigrinya
tk Turkmen
tl Tagalog
-tn Tswana; Setswana
-to Tonga
+tn Tswana
+to Tonga (Tonga Islands)
tr Turkish
ts Tsonga
tt Tatar
tw Twi
ty Tahitian
-ug Uighur
+ug Uighur; Uyghur
uk Ukrainian
ur Urdu
uz Uzbek
ve Venda
vi Vietnamese
-vo Volap@"{u}k; Volapuk
+vo Volap@"{u}k
wa Walloon
wo Wolof
xh Xhosa
-yi Yiddish (formerly ji)
+yi Yiddish
yo Yoruba
-za Zhuang
+za Zhuang; Chuang
zh Chinese
zu Zulu