I think fc and //i should have the same inner semantics.

They do. That's literally the point of the message to which you replied.

Anyway this was already solved on another level ...

I wasn't proposing a solution; I was contradicting the claim that «fc is the only acceptable solution for comparing "case insensitive strings".»

In reply to Re^4: uc and German eszett "ß" (Unicode standard) by ikegami
in thread uc and German eszett "ß" by LanX

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