diff --git a/data/LanguageNameSearchData.php b/data/LanguageNameSearchData.php
index d14005a5..9b4f07a3 100644
--- a/data/LanguageNameSearchData.php
+++ b/data/LanguageNameSearchData.php
@@ -92,6 +92,7 @@ class LanguageNameSearchData {
 				'abxaz' => 'ab',
 				'abxazî' => 'ab',
 				'abĥaza' => 'ab',
+				'abꞌxubꞌal poptiꞌ' => 'jac',
 				'acadais' => 'akk',
 				'acadeg' => 'akk',
 				'acadiano' => 'akk',
@@ -2415,6 +2416,7 @@ class LanguageNameSearchData {
 				'ateriana — tiamana ateriana' => 'de-at',
 				'atikameki — èdè atikameki' => 'atj',
 				'atikamekw — tiếng atikamekw' => 'atj',
+				'atinlay — igpay atinlay' => 'en-x-piglatin',
 				'atlaas — bartamaha atlaas tamasayt' => 'tzm',
 				'atlaas — tamasis gu digg atlaas' => 'tzm',
 				'atlais — tamaisis atlais láir' => 'tzm',
@@ -2825,6 +2827,7 @@ class LanguageNameSearchData {
 				'baskír' => 'ba',
 				'baskî' => 'eu',
 				'baskų' => 'eu',
+				'baso palembang' => 'mui',
 				'basque' => 'eu',
 				'basqugbe' => 'eu',
 				'basquu' => 'eu',
@@ -3651,6 +3654,9 @@ class LanguageNameSearchData {
 				'básk lángwej' => 'eu',
 				'bávaru' => 'bar',
 				'bân-lâm-gú' => 'zh-min-nan',
+				'bân-lâm-gú (lô-má-jī)' => 'nan-latn',
+				'bân-lâm-gú (pe̍h-ōe-jī)' => 'nan-latn-pehoeji',
+				'bân-lâm-gú (tâi-lô)' => 'nan-latn-tailo',
 				'bãbara' => 'bm',
 				'bängjahlesch' => 'bn',
 				'bèrom' => 'bom',
@@ -3960,6 +3966,7 @@ class LanguageNameSearchData {
 				'bàng-uâ-cê — mìng-dĕ̤ng-ngṳ̄ bàng-uâ-cê' => 'cdo-latn',
 				'báfíà — èdè báfíà' => 'ksf',
 				'báḿbàrà — èdè báḿbàrà' => 'bm',
+				'bân-lâm-gú — 閩南語 / bân-lâm-gú' => 'nan',
 				'béḿbà — èdè béḿbà' => 'bem',
 				'bódò — èdè bódò' => 'brx',
 				'bókmál — norskt bókmál' => 'nb',
@@ -4327,6 +4334,7 @@ class LanguageNameSearchData {
 				'chileslawisch' => 'cu',
 				'chilkotin' => 'clc',
 				'chilkotineg' => 'clc',
+				'chiluvale' => 'lue',
 				'chimakonde' => 'kde',
 				'chimalay' => 'ms',
 				'chimborazo highland quichua' => 'qug',
@@ -4449,6 +4457,7 @@ class LanguageNameSearchData {
 				'chitamil' => 'ta',
 				'chitariana' => 'it',
 				'chithai' => 'th',
+				'chitonga' => 'toi',
 				'chittagonian' => 'ctg',
 				'chitumbuka' => 'tum',
 				'chiturkish' => 'tr',
@@ -7358,6 +7367,7 @@ class LanguageNameSearchData {
 				'faieg' => 'vai',
 				'faka\'uvea' => 'wls',
 				'fakaʻuvea' => 'wls',
+				'fake xss language (see $wgusexsslanguage)' => 'x-xss',
 				'fala' => 'fax',
 				'falčtina' => 'pfl',
 				'fang' => 'fan',
@@ -10956,6 +10966,7 @@ class LanguageNameSearchData {
 				'igitayi' => 'th',
 				'igitelugu' => 'te',
 				'igiturukiya' => 'tr',
+				'igpay atinlay' => 'en-x-piglatin',
 				'ihdo' => 'io',
 				'ihresch' => 'ga',
 				'iilwimi' => 'ln',
@@ -12208,6 +12219,7 @@ class LanguageNameSearchData {
 				'iartharach — songais iartharach' => 'khq',
 				'iarthuiscirt — óisibis iarthuiscirt' => 'ojb',
 				'iba — èdè iba' => 'iba',
+				'iban — jaku iban' => 'iba',
 				'iban — tiếng iban' => 'iba',
 				'iberic — portughês iberic' => 'pt-pt',
 				'iberic — spagnûl iberic' => 'es-es',
@@ -12454,6 +12466,7 @@ class LanguageNameSearchData {
 				'jah' => 'gaa',
 				'jakma' => 'ccp',
 				'jakoets' => 'sah',
+				'jaku iban' => 'iba',
 				'jakucki' => 'sah',
 				'jakut' => 'sah',
 				'jakuta' => 'sah',
@@ -14103,6 +14116,7 @@ class LanguageNameSearchData {
 				'kihja-schprohch' => 'cgg',
 				'kihmong' => 'hmn',
 				'kiholanzi' => 'nl',
+				'kihunde' => 'hke',
 				'kihungari' => 'hu',
 				'kihungaria' => 'hu',
 				'kiiban' => 'iba',
@@ -17906,6 +17920,7 @@ class LanguageNameSearchData {
 				'language — american sign language' => 'ase',
 				'language — brazilian sign language' => 'bzs',
 				'language — british sign language' => 'bfi',
+				'language — fake xss language (see $wgusexsslanguage)' => 'x-xss',
 				'language — german sign language' => 'gsg',
 				'language — pakistan sign language' => 'pks',
 				'language — undetermined language' => 'und',
@@ -19374,6 +19389,7 @@ class LanguageNameSearchData {
 				'medumbu' => 'byv',
 				'medumbų' => 'byv',
 				'medũba' => 'byv',
+				'medžuslovjansky' => 'isv-latn',
 				'meerdere talen' => 'mul',
 				'meeru' => 'mer',
 				'meetaa' => 'mgo',
@@ -20082,7 +20098,6 @@ class LanguageNameSearchData {
 				'mëtteliresch' => 'mga',
 				'mëttelpersesch' => 'pal',
 				'mëttlert-atlas-tamazight' => 'tzm',
-				'mìng-dĕ̤ng-ngṳ̄' => 'cdo',
 				'mìng-dĕ̤ng-ngṳ̄ bàng-uâ-cê' => 'cdo-latn',
 				'mídúl atlás támazígt lángwej' => 'tzm',
 				'mídúl kọ́dish lángwej' => 'ckb',
@@ -23791,6 +23806,7 @@ class LanguageNameSearchData {
 				'palatinu — alemán palatinu' => 'pfl',
 				'palatí — alemany palatí' => 'pfl',
 				'palauan — tiếng palauan' => 'pau',
+				'palembang — baso palembang' => 'mui',
 				'pali — tiếng pali' => 'pi',
 				'paludes — cree de sas paludes' => 'csw',
 				'paludes — cree del paludes' => 'csw',
@@ -23939,6 +23955,7 @@ class LanguageNameSearchData {
 				'ponente — frisian de ponente' => 'fy',
 				'ponente — inuktitut canadeise de ponente' => 'ikt',
 				'ponente — ojibwa de ponente' => 'ojw',
+				'poptiꞌ — abꞌxubꞌal poptiꞌ' => 'jac',
 				'porchugaal — afaan porchugaal' => 'pt',
 				'portekizcesi — avrupa portekizcesi' => 'pt-pt',
 				'portekizcesi — brezilya portekizcesi' => 'pt-br',
@@ -29296,6 +29313,7 @@ class LanguageNameSearchData {
 				'tamaziĥta mez-atlasa' => 'tzm',
 				'tamaziɣt n laṭlaṣ' => 'tzm',
 				'tamaziɣt n waṭlas alemmas' => 'tzm',
+				'tamaziɣt tanawayt' => 'zgh-latn',
 				'tamaziɣt tizeɣt tamerrukit' => 'zgh',
 				'tamačamit' => 'jmc',
 				'tamaşek' => 'tmh',
@@ -31532,6 +31550,7 @@ class LanguageNameSearchData {
 				'tan-nofsinhar — ndebele tan-nofsinhar' => 'nr',
 				'tan-nofsinhar — sami tan-nofsinhar' => 'sma',
 				'tan-nofsinhar — soto tan-nofsinhar' => 'st',
+				'tanawayt — tamaziɣt tanawayt' => 'zgh-latn',
 				'tanpa — konten tanpa linguistik' => 'zxx',
 				'tar-repubblika — swahili tar-repubblika demokratika tal-kongo' => 'sw-cd',
 				'tarkibi — til tarkibi yo‘q' => 'zxx',
@@ -32796,6 +32815,7 @@ class LanguageNameSearchData {
 		],
 		119 => [
 			'prefix' => [
+				'waale' => 'wlx',
 				'waals' => 'wa',
 				'waastfresk' => 'fy',
 				'wai' => 'vai',
@@ -33253,6 +33273,7 @@ class LanguageNameSearchData {
 				'xini — kuyira xini' => 'khq',
 				'xinoki — yarigãu xinoki' => 'chn',
 				'xitoy — vu xitoy' => 'wuu',
+				'xss — fake xss language (see $wgusexsslanguage)' => 'x-xss',
 				'xuníos — inglés d’estaos xuníos' => 'en-us',
 				'xuyên — tiếng di tứ xuyên' => 'ii',
 				'xác — ngôn ngữ không xác định' => 'und',
@@ -38897,6 +38918,7 @@ class LanguageNameSearchData {
 				'мақдунӣ' => 'mk',
 				'маҷорӣ' => 'hu',
 				'мегрелски' => 'xmf',
+				'меджусловјанскы' => 'isv-cyrl',
 				'медумба' => 'byv',
 				'мейтэй' => 'mni',
 				'мексикан испанхойн' => 'es-mx',
@@ -46550,7 +46572,7 @@ class LanguageNameSearchData {
 				'شامبالا' => 'ksb',
 				'شامبالاچە' => 'ksb',
 				'شامبالای' => 'ksb',
-				'شامي' => 'syr',
+				'شامي' => 'apc',
 				'شان' => 'shn',
 				'شانچە' => 'shn',
 				'شانی' => 'shn',
@@ -46954,8 +46976,6 @@ class LanguageNameSearchData {
 				'كرگیزی' => 'ky',
 				'كلینگۆن' => 'tlh',
 				'كواسيو' => 'nmg',
-				'كوردي' => 'ku-arab',
-				'كوردي (عەرەبی)' => 'ku-arab',
 				'كورسۇچە' => 'co',
 				'كورنىشچە' => 'kw',
 				'كوروچە' => 'kfo',
@@ -48190,6 +48210,7 @@ class LanguageNameSearchData {
 				'پولنډي' => 'pl',
 				'پولەكچە' => 'pl',
 				'پوناپېئانچە' => 'pon',
+				'پوٹھواری' => 'phr',
 				'پوڪيپسي' => 'kaj',
 				'پيم پينگا' => 'pam',
 				'پَشتوٗ' => 'ps',
@@ -48672,6 +48693,7 @@ class LanguageNameSearchData {
 				'کوراسیکن' => 'co',
 				'کورخ' => 'kru',
 				'کوردی' => 'ckb',
+				'کوردی (عەرەبی)' => 'ku-arab',
 				'کوردی خوارگ' => 'sdh',
 				'کوردی سوٙرانی' => 'ckb',
 				'کوردی کورمانجی' => 'ku',
@@ -64873,6 +64895,7 @@ class LanguageNameSearchData {
 				'ᠮᠠᠨᠵᡠ ᡤᡳᠰᡠᠨ' => 'mnc-mong',
 				'ᠮᠣᠩᠭᠣᠯ' => 'mvf',
 				'ᠰᡞᠪᡝ ᡤᡞᠰᡠᠨ' => 'sjo',
+				'ᥖᥭᥰ ᥖᥬᥲ ᥑᥨᥒᥰ' => 'tdd',
 				'ᥖᥭᥰᥖᥬᥳᥑᥨᥒᥰ' => 'tdd',
 				'ᨅᨔ ᨕᨘᨁᨗ' => 'bug-bugi',
 				'ᨆᨀᨔᨑ' => 'mak-bugi',
@@ -64889,6 +64912,8 @@ class LanguageNameSearchData {
 				'លូអ៊ីស៊ីអាណា — ក្រេអូល លូអ៊ីស៊ីអាណា' => 'lou',
 				'ᡤᡞᠰᡠᠨ — ᠰᡞᠪᡝ ᡤᡞᠰᡠᠨ' => 'sjo',
 				'ᡤᡳᠰᡠᠨ — ᠮᠠᠨᠵᡠ ᡤᡳᠰᡠᠨ' => 'mnc-mong',
+				'ᥑᥨᥒᥰ — ᥖᥭᥰ ᥖᥬᥲ ᥑᥨᥒᥰ' => 'tdd',
+				'ᥖᥬᥲ — ᥖᥭᥰ ᥖᥬᥲ ᥑᥨᥒᥰ' => 'tdd',
 				'ᨕᨘᨁᨗ — ᨅᨔ ᨕᨘᨁᨗ' => 'bug-bugi',
 			],
 		],
@@ -65338,8 +65363,10 @@ class LanguageNameSearchData {
 				'ṣẹnà' => 'seh',
 				'ṣọnà' => 'sn',
 				'ṫuroyo' => 'tru',
+				'ẹdo' => 'bin',
 				'ẹdè ṣáínà onírọ̀rùn' => 'zh-hans',
 				'ẹkajúk lángwej' => 'eka',
+				'ẹkpeye' => 'ekp',
 				'ẹmbu lángwej' => 'ebu',
 				'ẹrziá lángwej' => 'myv',
 				'ẹsperánto lángwej' => 'eo',
@@ -66190,7 +66217,6 @@ class LanguageNameSearchData {
 				'中庫德文' => 'ckb',
 				'中文' => 'zh',
 				'中文（中国大陆）' => 'zh-cn',
-				'中文（台灣）' => 'zh-tw',
 				'中文（新加坡）' => 'zh-sg',
 				'中文（澳門）' => 'zh-mo',
 				'中文（简体）' => 'zh-hans',
@@ -67089,7 +67115,8 @@ class LanguageNameSearchData {
 				'明打威文' => 'mwv',
 				'明格列尔文' => 'xmf',
 				'明格列爾文' => 'xmf',
-				'晉語' => 'cjy-hant',
+				'晉語' => 'cjy',
+				'晉語（正字）' => 'cjy-hant',
 				'晋語' => 'cjy',
 				'晋語(簡体字)' => 'cjy-hans',
 				'晋語(繁体字)' => 'cjy-hant',
@@ -67807,6 +67834,8 @@ class LanguageNameSearchData {
 				'門德文' => 'men',
 				'門諾低地德文' => 'pdt',
 				'閩南語' => 'nan',
+				'閩南語 / bân-lâm-gú' => 'nan',
+				'閩南語（傳統漢字）' => 'nan-hant',
 				'閩南語（漢字）' => 'nan-hani',
 				'閩東語' => 'cdo',
 				'閩東語 / mìng-dĕ̤ng-ngṳ̄' => 'cdo',
@@ -67815,6 +67844,7 @@ class LanguageNameSearchData {
 				'门德语' => 'men',
 				'门诺低地德文' => 'pdt',
 				'闽南语' => 'nan',
+				'闽南语（简化汉字）' => 'nan-hans',
 				'阿乔利语' => 'ach',
 				'阿伊努文' => 'ain',
 				'阿伊努语' => 'ain',