Module:Fallbacklist

 --- Language fallback rules for other Lua modules.
 -- @see [[c:Module:Fallbacklist]]
 -- @release stable
 -- @submodule
 return{

 -- crh (Crimean Tatar) cluster: crh-cyrl , crh-latn -> crh (Crimean Tatar)
 ['crh']={'crh-latn'},
 ['crh-cyrl']={'crh','ru'},
 ['crh-latn']={'crh'},

 -- de (German) cluster:
 ['als']={'gsw','de'},-- Alemannisch
 ['bar']={'de'},-- Bavarian
 ['de-at']={'de'},-- Austrian German
 ['de-ch']={'de'},-- Swiss High German
 ['de-formal']={'de'},-- German (formal address)
 ['dsb']={'de'},-- Lower Sorbian
 ['frr']={'de'},-- Northern Frisian
 ['hsb']={'de'},-- Upper Sorbian
 ['ksh']={'de'},-- Colognian
 ['lb']={'de'},-- Luxembourgish
 ['nds']={'nds-nl','de'},-- Low German
 ['nds-nl']={'nds','nl'},-- Low Saxon (Netherlands)
 ['pdc']={'de'},-- Deitsch
 ['pdt']={'nds','de'},-- Plautdietsch
 ['pfl']={'de'},-- Pälzisch
 ['sli']={'de'},-- Lower Silesian
 ['stq']={'de'},-- Seeltersk
 ['vmf']={'de'},-- Upper Franconian

 -- es (Spanish) cluster
 ['an']={'es'},-- Aragonese
 ['arn']={'es'},-- Mapuche
 ['ay']={'es'},-- Aymara
 ['cbk-zam']={'es'},-- Chavacano de Zamboanga
 ['gn']={'es'},-- Guarani
 ['lad']={'es'},-- Ladino
 ['nah']={'es'},-- Nahuatl
 ['qu']={'es'},-- Quechua
 ['qug']={'qu','es'},-- Runa shimi

 -- et (Estonian) cluster
 ['liv']={'et'},-- Līvõ kēļ
 ['vep']={'et'},-- Veps
 ['vro']={'et'},-- Võro
 ['fiu-vro']={'vro','et'},-- Võro

 -- fa (Persian) cluster
 ['bcc']={'fa'},-- Southern Balochi
 ['bqi']={'fa'},-- Bakhtiari
 ['glk']={'fa'},-- Gilaki
 ['mzn']={'fa'},-- Mazandarani

 -- fi (Finnish) cluster:
 ['fit']={'fi'},-- meänkieli
 ['vot']={'fi'},-- Votic

 -- fr (French) cluster:
 ['bm']={'fr'},-- Bambara
 ['br']={'fr'},-- Breton
 ['co']={'fr'},-- Corsican
 ['ff']={'fr'},-- Fulah
 ['frc']={'fr'},-- Cajun French
 ['frp']={'fr'},-- Franco-Provençal
 ['ht']={'fr'},-- Haitian
 ['ln']={'fr'},-- Lingala
 ['mg']={'fr'},-- Malagasy
 ['pcd']={'fr'},-- Picard
 ['sg']={'fr'},-- Sango
 ['ty']={'fr'},-- Tahitian
 ['wa']={'fr'},-- Walloon
 ['wo']={'fr'},-- Wolof

 -- hi (Hindi) cluster
 ['anp']={'hi'},-- Angika
 ['mai']={'hi'},-- Maithili
 ['sa']={'hi'},-- Sanskrit

 -- hif (Fiji Hindi) cluster: hif-deva , hif-latn -> hif (Fiji Hindi)
 ['hif']={'hif-latn'},
 ['hif-deva']={'hif'},
 ['hif-latn']={'hif'},

 -- id (Indonesian) cluster
 ['min']={'id'},-- Minangkabau
 ['ace']={'id'},-- Achinese
 ['bug']={'id'},-- Buginese
 ['bjn']={'id'},-- Banjar
 ['jv']={'id'},-- Javanese
 ['su']={'id'},-- Sundanese
 ['map-bms']={'jv','id'},-- Basa Banyumasan

 -- ike (Eastern Canadian Inuktitut) cluster: ike-cans , ike-latn -> ike (Eastern Canadian Inuktitut)
 ['ike-cans']={'ik'},
 ['ike-latn']={'ik'},

 -- it (Italian) cluster
 ['egl']={'it'},-- Emiliàn
 ['eml']={'it'},-- Emiliano-Romagnolo
 ['fur']={'it'},-- Friulian
 ['lij']={'it'},-- Ligure
 ['lmo']={'it'},-- lumbaart
 ['nap']={'it'},-- Neapolitan
 ['pms']={'it'},-- Piedmontese
 ['rgn']={'it'},-- Romagnol
 ['scn']={'it'},-- Sicilian
 ['vec']={'it'},-- vèneto

 -- kk (Kazakh) cluster:
 -- kk-arab , kk-cyrl , kk-latn , kk-cn , kk-kz , kk-tr -> kk (Kazakh)
 ['kk']={'kk-cyrl'},-- Kazakh
 ['kk-arab']={'kk-cyrl','kk'},-- Kazakh (Arabic script)
 ['kk-cn']={'kk-arab','kk-cyrl','kk'},-- Kazakh (China)
 ['kk-cyrl']={'kk'},-- Kazakh (Cyrillic script)
 ['kk-kz']={'kk','kk-cyrl'},-- Kazakh (Kazakhstan)
 ['kk-latn']={'kk-cyrl','kk'},-- Kazakh (Latin script)
 ['kk-tr']={'kk-latn','kk-cyrl','kk'},-- Kazakh (Turkey)
 ['kaa']={'kk-latn','kk-cyrl'},-- Kara-Kalpak

 -- ku (Kurdish) cluster: ku-latn , ku-arab -> ku (Kurdish)
 ['ku']={'ku-latn'},
 ['ku-arab']={'ckb','ckb-arab','ku'},-- كوردي (عەرەبی)
 ['ku-latn']={'ku'},
 ['ckb']={'ckb-arab','ku'},

 -- nl (Dutch) cluster
 ['af']={'nl'},-- Afrikaans
 ['fy']={'nl'},-- Western Frisian
 ['li']={'nl'},-- Liechtenstein
 ['nl-informal']={'nl'},-- Nederlands (informeel)
 ['vls']={'nl'},-- Vlaams
 ['zea']={'nl'},-- Zeeuws

 --pl (Polish) cluster
 ['csb']={'pl'},-- Kashubian
 ['szl']={'pl'},-- Silesian

 -- pt (Portuguese) cluster
 ['gl']={'pt'},-- Galician
 ['mwl']={'pt'},-- Mirandese
 ['pt-br']={'pt'},-- Brazilian Portuguese

 -- ro (Romanian) cluster
 ['mo']={'ro'},-- Moldavian
 ['rmy']={'ro'},-- Romani

 -- ru (Russian) cluster
 ['ab']={'ru'},-- Abkhazian
 ['av']={'ru'},-- Avaric
 ['ba']={'ru'},-- Bashkir
 ['be-tarask']={'ru'},-- Belorussian
 ['ce']={'ru'},-- Chechen
 ['crh-cyrl']={'ru'},-- Crimean Tatar (Cyrillic script)
 ['cv']={'ru'},-- Chuvash
 ['inh']={'ru'},-- Ingush
 ['koi']={'ru'},-- Komi-Permyak
 ['krc']={'ru'},-- Karachay-Balkar
 ['kv']={'ru'},-- Komi
 ['lbe']={'ru'},-- лакку
 ['lez']={'ru'},-- Lezghian
 ['mhr']={'ru'},-- Eastern Mari
 ['mrj']={'ru'},-- Hill Mari
 ['myv']={'ru'},-- Erzya
 ['os']={'ru'},-- Ossetic
 ['rue']={'uk','ru'},-- Rusyn
 ['sah']={'ru'},-- Sakha
 ['tt']={'tt-cyrl','ru'},-- Tatar
 ['tt-cyrl']={'ru'},-- Tatar (Cyrillic script)
 ['udm']={'ru'},-- Udmurt
 ['uk']={'ru'},-- Ukranian
 ['xal']={'ru'},-- Kalmyk
 ['tt']={'tt-cyrl','ru'},-- Tatar

 -- ruq (Megleno Romanian) cluster: ruq-cyrl , ruq-grek , ruq-latn -> ruq (Megleno Romanian)
 ['ruq']={'ruq-latn','ro'},-- Megleno-Romanian
 ['ruq-cyrl']={'ruq','mk'},-- Megleno-Romanian (Cyrillic script)
 ['ruq-grek']={'ruq'},-- Megleno-Romanian (Greek script)
 ['ruq-latn']={'ro','ruq'},-- Megleno-Romanian (Latin script)

 -- sr (Serbian) cluster: sr-ec , sr-el -> sr (Serbian)
 ['sr']={'sr-ec'},
 ['sr-ec']={'sr'},
 ['sr-el']={'sr'},

 -- tg (Tajik) cluster: tg-cyrl , tg-latn -> tg (Tajik)
 ['tg']={'tg-cyrl'},
 ['tg-cyrl']={'tg'},
 ['tg-latn']={'tg'},

 -- tr (Turkish) cluster
 ['gag']={'tr'},-- Gagauz
 ['kiu']={'tr'},-- Kirmanjki
 ['lzz']={'tr'},-- Lazuri

 -- tt (Tatar) cluster: tt-cyrl , tt-latn -> tt (Tatar)
 ['tt-cyrl']={'tt'},
 ['tt-latn']={'tt'},

 -- zh (Chinese) cluster
 -- /includes/language/converters/ZhConverter.php
 -- https://gerrit.wikimedia.org/r/703560
 ['cdo']={'nan','zh-hant','zh','zh-hans'},-- Min Dong Chinese
 ['gan']={'gan-hant','gan-hans','zh-hant','zh-hans','zh'},-- Gan 
 ['gan-hans']={'gan','gan-hant','zh-hans','zh','zh-hant'},-- Simplified Gan script
 ['gan-hant']={'gan','gan-hans','zh-hant','zh','zh-hans'},-- Traditional Gan script
 ['hak']={'zh-hant','zh','zh-hans'},-- Hakka
 ['ii']={'zh-cn','zh-hans','zh','zh-hant'},-- Sichuan Yi
 ['lzh']={'zh-hant','zh','zh-hans'},-- Literary Chinese
 ['nan']={'cdo','zh-hant','zh','zh-hans'},-- Min Nan Chinese
 ['szy']={'zh-tw','zh-hant','zh','zh-hans'},-- Sakizaya
 ['tay']={'zh-tw','zh-hant','zh','zh-hans'},-- Atayal
 ['trv']={'zh-tw','zh-hant','zh','zh-hans'},-- Seediq
 ['wuu']={'zh-hans','zh-hant','zh'},-- Wu
 -- https://phabricator.wikimedia.org/T59138
 -- ['wuu'] = {'wuu-hans, 'wuu-hant', 'zh-hans', 'zh-hant', 'zh'}, -- Wu
 -- ['wuu-hans'] = {'wuu', 'wuu-hant', 'zh-hans', 'zh', 'zh-hant'}, -- Simplified Wu
 -- ['wuu-hant'] = {'wuu', 'wuu-hans', 'zh-hant', 'zh', 'zh-hans'}, -- Traditional Wu
 ['yue']={'zh-hk','zh-hant','zh-hans','zh'},-- Cantonese
 -- https://phabricator.wikimedia.org/T59106
 -- ['yue'] = {'yue-hant', 'yue-hans, 'zh-hk', 'zh-hant', 'zh-hans', 'zh'}, -- Cantonese
 -- ['yue-hans'] = {'yue', 'yue-hant', 'zh-hans', 'zh', 'zh-hk', 'zh-hant'}, -- Simplified Cantonese
 -- ['yue-hant'] = {'yue', 'yue-hans', 'zh-hk', 'zh-hant', 'zh', 'zh-hans'}, -- Traditional Cantonese
 ['za']={'zh-hans','zh-hant','zh'},-- Zhuang
 -- The time allocated for running scripts has expired.
 -- ['zh'] = {'zh-hans', 'zh-hant', 'zh-cn', 'zh-tw', 'zh-hk'}, -- Chinese
 -- ['zh-hans'] = {'zh-cn', 'zh', 'zh-hant'}, -- Simplified Chinese
 -- ['zh-hant'] = {'zh-tw', 'zh-hk', 'zh', 'zh-hans'}, -- Traditional Chinese
 -- ['zh-tw'] = {'zh-hant', 'zh-hk', 'zh', 'zh-hans'}, -- Chinese (Taiwan)
 -- ['zh-hk'] = {'zh-hant', 'zh-tw', 'zh', 'zh-hans'}, -- Chinese (Hong Kong)
 ['zh']={'zh-hans','zh-hant','zh-hk'},-- Chinese
 ['zh-hans']={'zh-hant','zh-hk'},-- Simplified Chinese
 ['zh-hant']={'zh-hk','zh-hans'},-- Traditional Chinese
 ['zh-cn']={'zh-hans','zh','zh-hant'},-- Chinese (Mainland China)
 ['zh-sg']={'zh-hans','zh-cn','zh','zh-hant'},-- Chinese (Singapore)
 ['zh-my']={'zh-hans','zh-sg','zh-cn','zh','zh-hant'},-- Chinese (Malaysia)
 ['zh-tw']={'zh-hant','zh-hk','zh-hans'},-- Chinese (Taiwan)
 ['zh-hk']={'zh-hant','zh-hans'},-- Chinese (Hong Kong)
 ['zh-mo']={'zh-hant','zh-hk','zh-tw','zh','zh-hans'},-- Chinese (Macau)
 ['zh-classical']={'lzh','zh-hant','zh','zh-hans'},-- Classical Chinese -> Literary Chinese
 ['zh-min-nan']={'nan','cdo','zh-hant','zh','zh-hans'},-- Chinese (Min Nan) -> Min Nan Chinese
 ['zh-yue']={'yue','zh-hk','zh-hant','zh-hans','zh'},-- Yue Chinese -> Cantonese

 ------------------------
 --------- misc ---------
 ------------------------
 ['arz']={'ar'},-- Egyptian Arabic -> Arabic
 ['azb']={'az'},-- Southern Azerbaijani -> Azerbaijani 
 ['be-x-old']={'be-tarask'},-- be-x-old -> be-tarask (wrong to correct Taraškievica form of Belarusian orthography)
 ['bh']={'bho'},-- Bihari -> Bhojpuri
 ['bpy']={'bn'},-- Bishnupria Manipuri -> Bengali

 -- da
 ['jut']={'da'},-- Jutish -> Danish
 ['kl']={'da'},-- Kalaallisut -> Danish

 ['en-gb']={'en'},-- Brexit -> English
 ['yi']={'he'},-- Yiddish -> Hebrew
 ['iu']={'ike-cans'},-- Inuktitut -> Eastern Canadian (Aboriginal syllabics)
 ['xmf']={'ka'},-- Mingrelian -> Georgian
 ['kbd']={'kbd-cyrl','ru'},-- Kabardian -> Адыгэбзэ
 ['tcy']={'kn'},-- Tulu -> Kannada
 ['ko-kp']={'ko'},-- 한국어 (조선) -> Korean
 ['ks']={'ks-arab'},-- Kashmiri -> Kashmiri (Arabic script)

 -- lt
 ['bat-smg']={'sgs','lt'},-- Samogitian -> Lithuanian
 ['sgs']={'lt'},-- Samogitian -> Lithuanian

 ['ltg']={'lv'},-- Latvian -> Latgalian
 ['dtp']={'ms'},-- Central Dusun -> Malay
 ['no']={'nb'},-- Norwegian (bokmål) -> Norwegian Bokmål
 ['roa-rup']={'rup'},-- Aromanian (other Romance) -> Aromanian
 ['aln']={'sq'},-- Gheg Albanian -> Albanian
 ['ug']={'ug-arab'},-- Uyghur -> Uyghur (Arabic script)
 ['khw']={'ur'},-- Khowar -> Urdu
 }