> And btw, here there is a loss since all character sets are not fully covered even in UTF-16 (iirc) If they aren't covered in UTF-16, they wouldn't be covered

> And btw, here there is a loss since all character sets are not fully covered even in UTF-16 (iirc) If they aren't covered in UTF-16, they wouldn't be covered in UTF-8 or UCS-4 either. All modern Unicode encodings (i.e. not UCS-2) can encode exactly the same data. I'd be curious to know which character sets Unicode doesn't cover yet a different encoding system does.