Add Serbo-Croatian localization

[matijakljajic]

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[vercel]

@matijakljajic is attempting to deploy a commit to the giscus Team on Vercel.

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[laymonage]

Hvala!

I'll merge this now, but do you think it's sensible to use the hr language code instead, and have the hbs code as an alias/fall back to the hr translation files? I'm not sure about the political implications, but it seems to be more common to use the name "Croatian" if it exclusively uses the Latin alphabet, and "Serbian" if it uses the Cyrillic alphabet. At least, that's how Google Translate does it.

[matijakljajic]

@laymonage

Serbian is practically the only European standard language whose speakers are fully functionally digraphic, using both Cyrillic and Latin alphabets. The Latin alphabet used for Serbian was designed with a one-to-one grapheme-phoneme correlation between the Cyrillic and Latin orthographies, resulting in a parallel system. (Source)

Google Translate may work like that but Serbian has two official scripts, Cyrillic and Latin. (btw Google Translate is not reliable at all for languages not supported by DeepL AFAIK, best to use that for translations)

I've purposely written the localization in a way where it tries to stay neutral regarding the dialect and be inclusive to all variants, at least as much as I could, it's open to updates if not adequate. (every variant uses Latin as an official script)

Croatian and Serbian officially have words which do not appear in both dictionaries even if mutually intelligible, thus it's best to leave the hbs code for this specific localization. (I do not want to anger the politically/nationalistically inclined)

Consequently, if someone wants to add Serbian Cyrillic or Croatian with the use of more localized words they're free to do so with sr and hr codes.

I feel like it's best not to complicate things with sr-latn and sr-cyrl as mentioned here.

[laymonage]

@matijakljajic That's very helpful, thanks! I'll leave this as-is, then.

[matijakljajic]

@laymonage

Type error: Property 'hbs' is missing in type '{ ar: Intl.DateTimeFormat; ca: Intl.DateTimeFormat; da: Intl.DateTimeFormat; de: Intl.DateTimeFormat; en: Intl.DateTimeFormat; eo: Intl.DateTimeFormat; ... 22 more ...; 'zh-TW': Intl.DateTimeFormat; }' but required in type 'Record<"de" | "zh-CN" | "zh-TW" | "ar" | "fa" | "he" | "ca" | "da" | "en" | "eo" | "es" | "fr" | "gr" | "hbs" | "hu" | "id" | "it" | "ja" | "kh" | "ko" | "nl" | "pl" | "pt" | "ro" | "ru" | "th" | "tr" | "vi" | "uk" | "uz", DateTimeFormat>'.

Also I may have accidentally left out this, thus it's failing the build process. Sorry, but please amend or apply a quick-fix.

[laymonage]

Oops, thanks, fixed in #1367.