feat(i18n): expand supported languages from 31 to 49 with flags and locale formats
Add 18 previously missing language entries to SUPPORTED_LANGUAGES in app/utils/i18n.py so every translation JSON file in frontend/translations/ is properly indexed and served by the language selector: New languages: af, ar, cy, eo, fa, fy, gl, he, ja, kn, ko, li, nds, no, pa, sr, vi, vls Each new language entry includes: - Correct ISO 639-1/639-3 code matching its JSON filename - Native name and display name - Appropriate country/language flag emoji - Locale-specific date and number formatting rules in _LOCALE_FORMATS Also: rename nb "Norwegian" → "Norwegian Bokmål" to distinguish it from no "Norwegian". Update tests/test_i18n.py: - Count assertions: 31 → 49 - Expected code set expanded to all 49 codes - Fix test_unsupported_language_fallback (ja/ko now supported, use xx/yy) Update docs/InternationalizationGuide.md: - Language count: 10 → 49 - Full language table with flags, native names, tiers - Complete file structure listing all 49 JSON files Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
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copilot-swe-agent[bot]
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@@ -2,7 +2,7 @@
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Provides a JSON-based translation system for the DocuElevate UI with:
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* **31 supported languages** covering all major European languages plus ZH
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* **49 supported languages** covering European, Asian, Middle-Eastern, and other languages
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* Browser ``Accept-Language`` detection with cookie & user-profile persistence
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* AI-powered fallback translation via the configured LLM provider
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* Locale-aware date, number, and file-size formatting helpers
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@@ -42,7 +42,8 @@ SUPPORTED_LANGUAGES: list[dict[str, str]] = [
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{"code": "pt", "name": "Portuguese", "native": "Português", "flag": "🇵🇹"},
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# --- Tier 2: Western & Northern European ---
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{"code": "nl", "name": "Dutch", "native": "Nederlands", "flag": "🇳🇱"},
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{"code": "nb", "name": "Norwegian", "native": "Norsk", "flag": "🇳🇴"},
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{"code": "nb", "name": "Norwegian Bokmål", "native": "Norsk bokmål", "flag": "🇳🇴"},
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{"code": "no", "name": "Norwegian", "native": "Norsk", "flag": "🇳🇴"},
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{"code": "da", "name": "Danish", "native": "Dansk", "flag": "🇩🇰"},
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{"code": "sv", "name": "Swedish", "native": "Svenska", "flag": "🇸🇪"},
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{"code": "fi", "name": "Finnish", "native": "Suomi", "flag": "🇫🇮"},
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@@ -50,6 +51,12 @@ SUPPORTED_LANGUAGES: list[dict[str, str]] = [
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{"code": "ga", "name": "Irish", "native": "Gaeilge", "flag": "🇮🇪"},
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{"code": "lb", "name": "Luxembourgish", "native": "Lëtzebuergesch", "flag": "🇱🇺"},
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{"code": "ca", "name": "Catalan", "native": "Català", "flag": "🏴"},
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{"code": "cy", "name": "Welsh", "native": "Cymraeg", "flag": "🏴"},
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{"code": "fy", "name": "Frisian", "native": "Frysk", "flag": "🇳🇱"},
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{"code": "gl", "name": "Galician", "native": "Galego", "flag": "🇪🇸"},
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{"code": "li", "name": "Limburgish", "native": "Limburgs", "flag": "🇳🇱"},
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{"code": "vls", "name": "West Flemish", "native": "West-Vlams", "flag": "🇧🇪"},
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{"code": "nds", "name": "Low German", "native": "Plattdüütsch", "flag": "🇩🇪"},
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# --- Tier 3: Central & Eastern European ---
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{"code": "pl", "name": "Polish", "native": "Polski", "flag": "🇵🇱"},
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{"code": "cs", "name": "Czech", "native": "Čeština", "flag": "🇨🇿"},
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@@ -63,11 +70,24 @@ SUPPORTED_LANGUAGES: list[dict[str, str]] = [
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{"code": "et", "name": "Estonian", "native": "Eesti", "flag": "🇪🇪"},
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{"code": "lv", "name": "Latvian", "native": "Latviešu", "flag": "🇱🇻"},
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{"code": "lt", "name": "Lithuanian", "native": "Lietuvių", "flag": "🇱🇹"},
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# --- Tier 4: Non-EU European & Other ---
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{"code": "sr", "name": "Serbian", "native": "Српски", "flag": "🇷🇸"},
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# --- Tier 4: Non-EU European, Middle Eastern & African ---
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{"code": "tr", "name": "Turkish", "native": "Türkçe", "flag": "🇹🇷"},
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{"code": "uk", "name": "Ukrainian", "native": "Українська", "flag": "🇺🇦"},
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{"code": "ru", "name": "Russian", "native": "Русский", "flag": "🇷🇺"},
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{"code": "he", "name": "Hebrew", "native": "עברית", "flag": "🇮🇱"},
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{"code": "ar", "name": "Arabic", "native": "العربية", "flag": "🇸🇦"},
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{"code": "fa", "name": "Persian", "native": "فارسی", "flag": "🇮🇷"},
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{"code": "af", "name": "Afrikaans", "native": "Afrikaans", "flag": "🇿🇦"},
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# --- Tier 5: Asian languages ---
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{"code": "zh", "name": "Chinese", "native": "中文", "flag": "🇨🇳"},
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{"code": "ja", "name": "Japanese", "native": "日本語", "flag": "🇯🇵"},
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{"code": "ko", "name": "Korean", "native": "한국어", "flag": "🇰🇷"},
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{"code": "vi", "name": "Vietnamese", "native": "Tiếng Việt", "flag": "🇻🇳"},
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{"code": "pa", "name": "Punjabi", "native": "ਪੰਜਾਬੀ", "flag": "🇮🇳"},
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{"code": "kn", "name": "Kannada", "native": "ಕನ್ನಡ", "flag": "🇮🇳"},
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# --- Tier 6: Constructed & other languages ---
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{"code": "eo", "name": "Esperanto", "native": "Esperanto", "flag": "🌍"},
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]
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SUPPORTED_LANGUAGE_CODES: set[str] = {lang["code"] for lang in SUPPORTED_LANGUAGES}
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@@ -503,6 +523,133 @@ _LOCALE_FORMATS: dict[str, dict[str, Any]] = {
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"thousands_sep": "\u00a0",
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"decimal_sep": ",",
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},
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# --- New languages ---
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"no": {
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"date": "%d. %B %Y",
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"date_short": "%d.%m.%Y",
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"datetime": "%d. %B %Y %H:%M",
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"thousands_sep": "\u00a0",
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"decimal_sep": ",",
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},
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"cy": {
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"date": "%d %B %Y",
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"date_short": "%d/%m/%Y",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": ",",
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"decimal_sep": ".",
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},
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"fy": {
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"date": "%d %B %Y",
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"date_short": "%d-%m-%Y",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": ".",
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"decimal_sep": ",",
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},
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"gl": {
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"date": "%d de %B de %Y",
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"date_short": "%d/%m/%Y",
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"datetime": "%d de %B de %Y %H:%M",
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"thousands_sep": ".",
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"decimal_sep": ",",
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},
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"li": {
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"date": "%d %B %Y",
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"date_short": "%d-%m-%Y",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": ".",
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"decimal_sep": ",",
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},
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"vls": {
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"date": "%d %B %Y",
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"date_short": "%d/%m/%Y",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": ".",
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"decimal_sep": ",",
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},
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"nds": {
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"date": "%d. %B %Y",
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"date_short": "%d.%m.%Y",
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"datetime": "%d. %B %Y %H:%M",
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"thousands_sep": ".",
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"decimal_sep": ",",
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},
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"sr": {
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"date": "%d. %B %Y.",
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"date_short": "%d.%m.%Y.",
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"datetime": "%d. %B %Y. %H:%M",
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"thousands_sep": ".",
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"decimal_sep": ",",
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},
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"he": {
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"date": "%d %B %Y",
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"date_short": "%d/%m/%Y",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": ",",
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"decimal_sep": ".",
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},
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"ar": {
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"date": "%d %B %Y",
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"date_short": "%Y/%m/%d",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": ",",
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"decimal_sep": ".",
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},
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"fa": {
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"date": "%d %B %Y",
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"date_short": "%Y/%m/%d",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": ",",
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"decimal_sep": ".",
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},
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"af": {
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"date": "%d %B %Y",
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"date_short": "%Y/%m/%d",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": "\u00a0",
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"decimal_sep": ",",
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},
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"ja": {
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"date": "%Y年%m月%d日",
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"date_short": "%Y/%m/%d",
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"datetime": "%Y年%m月%d日 %H:%M",
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"thousands_sep": ",",
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"decimal_sep": ".",
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},
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"ko": {
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"date": "%Y년 %m월 %d일",
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"date_short": "%Y.%m.%d",
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"datetime": "%Y년 %m월 %d일 %H:%M",
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"thousands_sep": ",",
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"decimal_sep": ".",
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},
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"vi": {
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"date": "ngày %d tháng %m năm %Y",
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"date_short": "%d/%m/%Y",
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"datetime": "ngày %d tháng %m năm %Y %H:%M",
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"thousands_sep": ".",
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"decimal_sep": ",",
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},
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"pa": {
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"date": "%d %B %Y",
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"date_short": "%d/%m/%Y",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": ",",
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"decimal_sep": ".",
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},
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"kn": {
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"date": "%d %B %Y",
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"date_short": "%d/%m/%Y",
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"datetime": "%d %B %Y %H:%M",
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"thousands_sep": ",",
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"decimal_sep": ".",
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},
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"eo": {
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"date": "%d-a de %B %Y",
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"date_short": "%Y-%m-%d",
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"datetime": "%d-a de %B %Y %H:%M",
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"thousands_sep": "\u00a0",
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"decimal_sep": ",",
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},
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}
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