(Author here) Dealing with encodings is already a big step when you aim to handle multiple ones and multiple OSes. You can see what I am talking about in the tests/ folder.

With Mojibake, I wanted to help people handle text by providing the smallest possible C/C++ library, without requiring them to use a +20MB library just to normalize a string, handle a flag emoji, or perform similar tasks.

See the CONFORMANCE_REQUIREMENTS.md file if you are interested in what the +17 versions of the Unicode standard have introduced.