Re: why do we need utf8 normalization when compare name?

[lampahome]

> Unicode normalisation will take the strings "Ã" (U+00F1) and "nâÌ"
> (U+006E U+0303) and turn them into the same Unicode string. Note that
> there are four kinds of Unicode normalisation (NFD, NFC, NFKD, NFKC), so
> what precise string you end up with depends on which form you're using.
> Linux uses NFD, I believe.


> And yes, once the strings are normalised and encoded as UTF-8 you then
> do a byte-by-byte comparison (if the comparison is case-insensitive then
> fs/unicode/... will case-fold the Unicode symbols during normalisation).
>

What I'm confused is why encoded as utf-8 after normalize finished?
>From above, turn "Ã" (U+00F1) and "nâÌ" (U+006E U+0303) into the same
Unicode string. Then why should we just compare bytes from normalized.