Update language names and region data

* `cdo` Mindong
* `cjy` Jin
* `cpx` Pu–Xian Min
* `gan` Gan
* `nan` Minnan
* `sh` Serbo-Croatian
* `wuu` Wu
* `zh` Mandarin (Chinese)

* `CN` Mainland China
* `HK` Hong Kong
* `MY` Malaysia
* `SG` Singapore
* `TW` Taiwan

Bug: #253
Bug: #314
Bug: T354937
Change-Id: I61befc6c1816a18899bb63d50f4aa29756d70605

data/langdb.yaml

@@ -133,7 +133,7 @@ languages:
   cbk-zam: [cbk]
   ccp: [Cakm, [AS], 𑄌𑄋𑄴𑄟𑄳𑄦]
  # FIXME cdo will be modified later to split to Latin and Chinese more cleanly
-  cdo: [Latn, [AS], Mìng-dĕ̤ng-ngṳ̄]
+  cdo: [Latn, [AS], 閩東語 / Mìng-dĕ̤ng-ngṳ̄]
   cdo-hani: [Hani, [AS], 閩東語（漢字）]
   cdo-latn: [Latn, [AS], Mìng-dĕ̤ng-ngṳ̄ Bàng-uâ-cê]
   ce: [Cyrl, [EU], нохчийн]
@@ -152,9 +152,9 @@ languages:
   chy: [Latn, [AM], Tsetsêhestâhese]
   ciw: [Latn, [AM], Anishinaabemowin]
   cjk: [Latn, [AF], cokwe]
-  cjy: [cjy-hant]
+  cjy: [Hant, [AS], 晉語]
   cjy-hans: [Hans, [AS], 晋语（简化字）]
-  cjy-hant: [Hant, [AS], 晉語]
+  cjy-hant: [Hant, [AS], 晉語（正字）]
   ckb: [Arab, [ME], کوردی]
   ckt: [Cyrl, [AS], ԓыгъоравэтԓьэн]
   cnh: [Latn, [AS], Lai holh]
@@ -164,7 +164,7 @@ languages:
   co: [Latn, [EU], corsu]
   cop: [Copt, [AF, ME], ϯⲙⲉⲧⲣⲉⲙⲛ̀ⲭⲏⲙⲓ]
   cps: [Latn, [AS], Capiceño]
-  cpx: [cpx-hant]
+  cpx: [Hant, [AS], 莆仙語 / Pó-sing-gṳ̂]
   cpx-hans: [Hans, [AS], 莆仙语（简体）]
   cpx-hant: [Hant, [AS], 莆仙語（繁體）]
   cpx-latn: [Latn, [AS], Pó-sing-gṳ̂ (Báⁿ-uā-ci̍)]
@@ -255,7 +255,7 @@ languages:
   gah: [Latn, [AS], Alekano]
   gan: [Hant, [AS], 贛語]
   gan-hans: [Hans, [AS], 赣语（简体）]
-  gan-hant: [gan]
+  gan-hant: [Hant, [AS], 贛語（繁體）]
  # In ISO 639, it refers to West Central Oromo. It may
  # be changed like that here, too, but for
  # now, redirect it to macro Oromo.
@@ -495,8 +495,13 @@ languages:
   mzn: [Arab, [ME, AS], مازِرونی]
   na: [Latn, [PA], Dorerin Naoero]
   nah: [Latn, [AM], Nāhuatl]
-  nan: [Latn, [AS], Bân-lâm-gú]
+  nan: [Latn, [AS], 閩南語 / Bân-lâm-gú]
   nan-hani: [Hani, [AS], 閩南語（漢字）]
+  nan-hans: [Hans, [AS], 闽南语（简化汉字）]
+  nan-hant: [Hant, [AS], 閩南語（傳統漢字）]
+  nan-latn: [Latn, [AS], Bân-lâm-gú (Lô-má-jī)]
+  nan-latn-pehoeji: [Latn, [AS], Bân-lâm-gú (Pe̍h-ōe-jī)]
+  nan-latn-tailo: [Latn, [AS], Bân-lâm-gú (Tâi-lô)]
   nap: [Latn, [EU], Napulitano]
   nb: [Latn, [EU], norsk (bokmål)]
   nd: [Latn, [AF], siNdebele saseNyakatho]
@@ -648,9 +653,9 @@ languages:
   ses: [Latn, [AF], Koyraboro Senni]
   sg: [Latn, [AF], Sängö]
   sgs: [Latn, [EU], žemaitėška]
-  sh: [Latn, [EU], srpskohrvatski]
+  sh: [Latn, [EU], srpskohrvatski / српскохрватски]
   sh-cyrl: [Cyrl, [EU], српскохрватски]
-  sh-latn: [sh]
+  sh-latn: [Latn, [EU], srpskohrvatski]
   shi: [shi-latn]
   shi-latn: [Latn, [AF], Taclḥit]
   shi-tfng: [Tfng, [AF], ⵜⴰⵛⵍⵃⵉⵜ]
@@ -782,7 +787,7 @@ languages:
   wls: [Latn, [PA], "Faka'uvea"]
   wo: [Latn, [AF], Wolof]
   wsg: [Telu, [AS], గోండి]
-  wuu: [Hans, [AS], 吴语]
+  wuu: [Hani, [AS], 吴语]
   wuu-hans: [Hans, [AS], 吴语（简体）]
   wuu-hant: [Hant, [AS], 吳語（正體）]
   xal: [Cyrl, [EU], хальмг]
@@ -803,19 +808,18 @@ languages:
   za: [Latn, [AS], Vahcuengh]
   zea: [Latn, [EU], Zeêuws]
   zgh: [Tfng, [AF], ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ]
- # world? (may apply to many varieties of Chinese)
-  zh: [Hans, [AS, PA, AM], 中文]
+  zh: [Hani, [AS, PA, AM, WW], 中文]
   zh-cdo: [cdo]
   zh-classical: [lzh]
   zh-cn: [Hans, [AS], 中文（中国大陆）]
-  zh-hans: [Hans, [AS, PA, AM], 中文（简体）]
-  zh-hant: [Hant, [AS, PA, AM], 中文（繁體）]
+  zh-hans: [Hans, [AS, PA, AM, WW], 中文（简体）]
+  zh-hant: [Hant, [AS, PA, AM, WW], 中文（繁體）]
   zh-hk: [Hant, [AS], 中文（香港）]
   zh-min-nan: [nan]
   zh-mo: [Hant, [AS], 中文（澳門）]
   zh-my: [Hans, [AS], 中文（马来西亚）]
   zh-sg: [Hans, [AS], 中文（新加坡）]
-  zh-tw: [Hant, [AS], 中文（台灣）]
+  zh-tw: [Hant, [AS], 中文（臺灣）]
   zh-yue: [yue]
   zsm: [ms]
   zu: [Latn, [AF], isiZulu]