What unicode/non-Latin test cases are covered?

The repository has comprehensive test coverage for multiple non-Latin scripts and Unicode characters. Here are the test cases covered:

German umlauts [test.js:L111-L113]:

• Tests ä ö ü Ä Ö Ü ß with separator option

Vietnamese [test.js:L115-L117]:

• Tests ố Ừ Đ

Arabic [test.js:L119-L121]:

• Tests ث س و

Persian/Farsi [test.js:L123-L125]:

• Tests چ ی پ

Urdu [test.js:L127-L129]:

• Tests ٹ ڈ ھ

Pashto [test.js:L131-L133]:

• Tests ګ ړ څ

Russian [test.js:L135-L137]:

• Tests Ж п ю

Romanian [test.js:L139-L141]:

• Tests ș Ț

Turkish [test.js:L143-L145]:

• Tests İ ı Ş ş Ç ç Ğ ğ with locale-specific behavior

Armenian [test.js:L147-L149]:

• Tests Ե ր ե ւ ա ն

Additionally, there are tests for emoji characters like 🦄 (unicorn) and 🐶 (dog) which are handled via the customReplacements option [test.js:L101-L106].

The README also mentions support for locale-specific transliteration, including German (umlauts), Vietnamese, Arabic, Russian, and more [test.js:L214-L225].

FOLLOW_UPS:

• How does the transliterate option affect Unicode handling?
• What locales are specifically tested for transliteration?
• Does the library support CJK (Chinese, Japanese, Korean) characters?