Uppercase first languages letters (#19965)

custom/conf/app.example.ini

@@ -2125,7 +2125,7 @@ PATH =
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; The first locale will be used as the default if user browser's language doesn't match any locale in the list.
 ;LANGS = en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,uk-UA,ja-JP,es-ES,pt-BR,pt-PT,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR,el-GR,fa-IR,hu-HU,id-ID,ml-IN
-;NAMES = English,简体中文,繁體中文（香港）,繁體中文（台灣）,Deutsch,français,Nederlands,latviešu,русский,Українська,日本語,español,português do Brasil,Português de Portugal,polski,български,italiano,suomi,Türkçe,čeština,српски,svenska,한국어,ελληνικά,فارسی,magyar nyelv,bahasa Indonesia,മലയാളം
+;NAMES = English,简体中文,繁體中文（香港）,繁體中文（台灣）,Deutsch,Français,Nederlands,Latviešu,Русский,Українська,日本語,Español,Português do Brasil,Português de Portugal,Polski,Български,Italiano,Suomi,Türkçe,Čeština,Српски,Svenska,한국어,Ελληνικά,فارسی,Magyar nyelv,Bahasa Indonesia,മലയാളം
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

docs/content/doc/advanced/config-cheat-sheet.en-us.md

@@ -998,9 +998,9 @@ Default templates for project boards:
 
 ## i18n (`i18n`)
 
-- `LANGS`: **en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,ja-JP,es-ES,pt-BR,pt-PT,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR,el-GR,fa-IR,hu-HU,id-ID,ml-IN**:
+- `LANGS`: **en-US,zh-CN,zh-HK,zh-TW,de-DE,fr-FR,nl-NL,lv-LV,ru-RU,uk-UA,ja-JP,es-ES,pt-BR,pt-PT,pl-PL,bg-BG,it-IT,fi-FI,tr-TR,cs-CZ,sr-SP,sv-SE,ko-KR,el-GR,fa-IR,hu-HU,id-ID,ml-IN**:
      List of locales shown in language selector. The first locale will be used as the default if user browser's language doesn't match any locale in the list.
-- `NAMES`: **English,简体中文,繁體中文（香港）,繁體中文（台灣）,Deutsch,français,Nederlands,latviešu,русский,日本語,español,português do Brasil,Português de Portugal,polski,български,italiano,suomi,Türkçe,čeština,српски,svenska,한국어,ελληνικά,فارسی,magyar nyelv,bahasa Indonesia,മലയാളം**: Visible names corresponding to the locales
+- `NAMES`: **English,简体中文,繁體中文（香港）,繁體中文（台灣）,Deutsch,Français,Nederlands,Latviešu,Русский,Українська,日本語,Español,Português do Brasil,Português de Portugal,Polski,Български,Italiano,Suomi,Türkçe,Čeština,Српски,Svenska,한국어,Ελληνικά,فارسی,Magyar nyelv,Bahasa Indonesia,മലയാളം**: Visible names corresponding to the locales
 
 ## U2F (`U2F`) **DEPRECATED**
 - `APP_ID`: **`ROOT_URL`**: Declares the facet of the application which is used for authentication of previously registered U2F keys. Requires HTTPS.

modules/setting/i18n.go

@@ -11,28 +11,28 @@ var defaultI18nLangNames = []string{
 	"zh-HK", "繁體中文（香港）",
 	"zh-TW", "繁體中文（台灣）",
 	"de-DE", "Deutsch",
-	"fr-FR", "français",
+	"fr-FR", "Français",
 	"nl-NL", "Nederlands",
-	"lv-LV", "latviešu",
-	"ru-RU", "русский",
+	"lv-LV", "Latviešu",
+	"ru-RU", "Русский",
 	"uk-UA", "Українська",
 	"ja-JP", "日本語",
-	"es-ES", "español",
-	"pt-BR", "português do Brasil",
+	"es-ES", "Español",
+	"pt-BR", "Português do Brasil",
 	"pt-PT", "Português de Portugal",
-	"pl-PL", "polski",
-	"bg-BG", "български",
-	"it-IT", "italiano",
-	"fi-FI", "suomi",
+	"pl-PL", "Polski",
+	"bg-BG", "Български",
+	"it-IT", "Italiano",
+	"fi-FI", "Suomi",
 	"tr-TR", "Türkçe",
-	"cs-CZ", "čeština",
-	"sr-SP", "српски",
-	"sv-SE", "svenska",
+	"cs-CZ", "Čeština",
+	"sr-SP", "Српски",
+	"sv-SE", "Svenska",
 	"ko-KR", "한국어",
-	"el-GR", "ελληνικά",
+	"el-GR", "Ελληνικά",
 	"fa-IR", "فارسی",
-	"hu-HU", "magyar nyelv",
-	"id-ID", "bahasa Indonesia",
+	"hu-HU", "Magyar nyelv",
+	"id-ID", "Bahasa Indonesia",
 	"ml-IN", "മലയാളം",
 }