| # basics |
| fr, en-GB, en ; en-GB ; en-GB |
| fr, en-GB, en ; en-US ; en |
| fr, en-GB, en ; fr-FR ; fr |
| fr, en-GB, en ; ja-JP ; fr |
| |
| # script fallbacks |
| zh-CN, zh-TW, iw ; zh-Hant ; zh-TW |
| zh-CN, zh-TW, iw ; zh ; zh-CN |
| zh-CN, zh-TW, iw ; zh-Hans-CN ; zh-CN |
| zh-CN, zh-TW, iw ; zh-Hant-HK ; zh-TW |
| zh-CN, zh-TW, iw ; he-IT ; iw ; iw-u-rg-itzzzz |
| |
| # language-specific script fallbacks 1 |
| en, sr, nl ; sr-Latn ; sr |
| en, sr, nl ; sh ; sr # different script, but seems okay and is as CLDR suggests |
| en, sr, nl ; hr ; en |
| en, sr, nl ; bs ; en |
| en, sr, nl ; nl-Cyrl ; sr |
| |
| # language-specific script fallbacks 2 |
| en, sh ; sr ; sh |
| en, sh ; sr-Cyrl ; sh |
| en, sh ; hr ; sh |
| |
| # don't match hr to sr-Latn |
| en, sr-Latn ; hr ; en |
| |
| # both deprecated and not |
| fil, tl, iw, he ; he-IT ; he |
| fil, tl, iw, he ; he ; he |
| fil, tl, iw, he ; iw ; iw |
| fil, tl, iw, he ; fil-IT ; fil |
| fil, tl, iw, he ; fil ; fil |
| fil, tl, iw, he ; tl ; tl |
| |
| # nearby languages |
| en, fil, ro, nn ; tl ; fil |
| en, fil, ro, nn ; mo ; ro |
| en, fil, ro, nn ; nb ; nn |
| en, fil, ro, nn ; ja ; en |
| |
| # nearby languages: Nynorsk to Bokmål |
| en, nb ; nn ; nb |
| |
| # nearby languages: Danish does not match nn |
| en, nn ; da ; en |
| |
| # nearby languages: Danish matches no |
| en, no ; da ; no |
| |
| # nearby languages: Danish matches nb |
| en, nb ; da ; nb |
| |
| # prefer matching languages over language variants. |
| nn, en-GB ; no, en-US ; en-GB |
| nn, en-GB ; nb, en-US ; en-GB |
| |
| # deprecated version is closer than same language with other differences |
| nl, he, en-GB ; iw, en-US ; he |
| |
| # macro equivalent is closer than same language with other differences |
| nl, zh, en-GB, no ; cmn, en-US ; zh |
| nl, zh, en-GB, no ; nb, en-US ; no |
| |
| # legacy equivalent is closer than same language with other differences |
| nl, fil, en-GB ; tl, en-US ; fil |
| |
| # distinguish near equivalents |
| en, ro, mo, ro-MD ; ro ; ro |
| en, ro, mo, ro-MD ; mo ; mo |
| en, ro, mo, ro-MD ; ro-MD ; ro-MD |
| |
| # maximization of legacy |
| sr-Cyrl, sr-Latn, ro, ro-MD ; sh ; sr-Latn |
| sr-Cyrl, sr-Latn, ro, ro-MD ; mo ; ro-MD |
| |
| # empty |
| ; fr ; und |
| ; en ; und |
| |
| # private use subtags |
| fr, en-GB, x-bork, es-ES, es-419 ; x-piglatin ; fr |
| fr, en-GB, x-bork, es-ES, es-419 ; x-bork ; x-bork |
| |
| # grandfathered codes |
| fr, i-klingon, en-Latn-US ; en-GB-oed ; en-Latn-US |
| fr, i-klingon, en-Latn-US ; i-klingon ; tlh |
| |
| |
| # simple variant match |
| fr, en-GB, ja, es-ES, es-MX ; de, en-US ; en-GB |
| fr, en-GB, ja, es-ES, es-MX ; de, zh ; fr |
| |
| # best match for traditional Chinese |
| fr, zh-Hans-CN, en-US ; zh-TW ; zh-Hans-CN |
| fr, zh-Hans-CN, en-US ; zh-Hant ; zh-Hans-CN |
| fr, zh-Hans-CN, en-US ; zh-TW, en ; en-US |
| fr, zh-Hans-CN, en-US ; zh-Hant-CN, en ; en-US |
| fr, zh-Hans-CN, en-US ; zh-Hans, en ; zh-Hans-CN |
| |
| # more specific script should win in case regions are identical |
| af, af-Latn, af-Arab ; af ; af |
| af, af-Latn, af-Arab ; af-ZA ; af |
| af, af-Latn, af-Arab ; af-Latn-ZA ; af-Latn |
| af, af-Latn, af-Arab ; af-Latn ; af-Latn |
| |
| # more specific region should win |
| nl, nl-NL, nl-BE ; nl ; nl |
| nl, nl-NL, nl-BE ; nl-Latn ; nl |
| nl, nl-NL, nl-BE ; nl-Latn-NL ; nl-NL |
| nl, nl-NL, nl-BE ; nl-NL ; nl-NL |
| |
| # region may replace matched if matched is enclosing |
| es-419,es ; es-MX ; es-419 ; es-MX |
| es-419,es ; es-SG ; es |
| |
| # more specific region wins over more specific script |
| nl, nl-Latn, nl-NL, nl-BE ; nl ; nl |
| nl, nl-Latn, nl-NL, nl-BE ; nl-Latn ; nl-Latn |
| nl, nl-Latn, nl-NL, nl-BE ; nl-NL ; nl-NL |
| nl, nl-Latn, nl-NL, nl-BE ; nl-Latn-NL ; nl-NL |
| |
| # region distance Portuguese |
| pt, pt-PT ; pt-ES ; pt-PT |
| |
| # if no preferred locale specified, pick top language, not regional |
| en, fr, fr-CA, fr-CH ; fr-US ; fr ; fr-u-rg-uszzzz |
| |
| # region distance German |
| de-AT, de-DE, de-CH ; de ; de-DE |
| |
| # en-AU is closer to en-GB than to en (which is en-US) |
| en, en-GB, es-ES, es-419 ; en-AU ; en-GB |
| en, en-GB, es-ES, es-419 ; es-MX ; es-419 ; es-MX |
| en, en-GB, es-ES, es-419 ; es-PT ; es-ES |
| |
| # undefined |
| it, fr ; und ; it |
| |
| # und does not match en |
| it, en ; und ; it |
| |
| # undefined in priority list |
| it, und ; und ; und |
| it, und ; en ; it |
| |
| # undefined |
| it, fr, zh ; und-FR ; fr |
| it, fr, zh ; und-CN ; zh |
| it, fr, zh ; und-Hans ; zh |
| it, fr, zh ; und-Hant ; zh |
| it, fr, zh ; und-Latn ; it |
| |
| # match on maximized tag |
| fr, en-GB, ja, es-ES, es-MX ; ja-JP, en-GB ; ja |
| fr, en-GB, ja, es-ES, es-MX ; ja-Jpan-JP, en-GB ; ja |
| |
| # pick best maximized tag |
| ja, ja-Jpan-US, ja-JP, en, ru ; ja-Jpan, ru ; ja |
| ja, ja-Jpan-US, ja-JP, en, ru ; ja-JP, ru ; ja-JP |
| ja, ja-Jpan-US, ja-JP, en, ru ; ja-US, ru ; ja-Jpan-US |
| |
| # termination: pick best maximized match |
| ja, ja-Jpan, ja-JP, en, ru ; ja-Jpan-JP, ru ; ja-JP |
| ja, ja-Jpan, ja-JP, en, ru ; ja-Jpan, ru ; ja-Jpan |
| |
| # same language over exact, but distinguish when user is explicit |
| fr, en-GB, ja, es-ES, es-MX ; ja, de ; ja |
| en, de, fr, ja ; de-CH, fr ; de # TODO: ; de-u-rg-CH |
| en-GB, nl ; en, nl ; en-GB |
| en-GB, nl ; en, nl, en-GB ; nl |
| |
| # parent relation preserved |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-150 ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-AU ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-BE ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-GG ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-GI ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-HK ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-IE ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-IM ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-IN ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-JE ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-MT ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-NZ ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-PK ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-SG ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-DE ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; en-MT ; en-GB |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-AR ; es-419 ; es-AR |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-BO ; es-419 ; es-BO |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-CL ; es-419 ; es-CL |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-CO ; es-419 ; es-CO |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-CR ; es-419 ; es-CR |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-CU ; es-419 ; es-CU |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-DO ; es-419 ; es-DO |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-EC ; es-419 ; es-EC |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-GT ; es-419 ; es-GT |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-HN ; es-419 ; es-HN |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-MX ; es-419 ; es-MX |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-NI ; es-419 ; es-NI |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-PA ; es-419 ; es-PA |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-PE ; es-419 ; es-PE |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-PR ; es-419 ; es-PR |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-PT ; es |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-PY ; es-419 ; es-PY |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-SV ; es-419 ; es-SV |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-US ; es-419 |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-UY ; es-419 ; es-UY |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; es-VE ; es-419 ; es-VE |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; pt-AO ; pt-PT |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; pt-CV ; pt-PT |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; pt-GW ; pt-PT |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; pt-MO ; pt-PT |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; pt-MZ ; pt-PT |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; pt-ST ; pt-PT |
| en, en-US, en-GB, es, es-419, pt, pt-BR, pt-PT, zh, zh-Hant, zh-Hant-HK ; pt-TL ; pt-PT |
| |
| # preserve extensions |
| en, de, sl-nedis ; de-FR-u-co-phonebk ; de ; de-u-co-phonebk-rg-frzzzz |
| en, de, sl-nedis ; sl-nedis-u-cu-eur ; sl-nedis ; sl-nedis-u-cu-eur |
| en, de, sl-nedis ; sl-u-cu-eur ; sl-nedis ; sl-nedis-u-cu-eur |
| en, de, sl-nedis ; sl-HR-nedis-u-cu-eur ; sl-nedis ; sl-nedis-u-cu-eur-rg-hrzzzz |
| en, de, sl-nedis ; de-t-m0-iso-i0-pinyin ; de ; de-t-m0-iso-i0-pinyin |
| |
| und, nl ; nl-BE-fonipa ; nl ; nl-u-rg-bezzzz |
| und, nl-CA ; nl-BE-fonipa ; nl-CA ; nl-CA-u-rg-bezzzz |
| und, nl-fonupa ; nl-BE-fonipa ; nl-fonupa ; nl-fonupa-u-rg-bezzzz |
| und, no ; nn-DK-fonipa ; no ; no-u-rg-dkzzzz |
| und, en-GB-u-sd-usca ; en-US-fonipa-u-nu-Arab-ca-buddhist-sd-usdc-t-m0-iso-i0-pinyin ; en-GB-u-sd-usca ; en-GB-t-m0-iso-i0-pinyin-u-ca-buddhist-nu-Arab-rg-uszzzz-sd-usca |
