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kotlinlang

The stdlib `Char.minus()` type functions seem unsafe for all Char values don't they? Unicode characters might end up with the wrong effect, for example the value is negative because of some flag bit, is minus then minus or plus?   For ASCII and Latin-1 it seems ok for `Char.minus()` but beyond that is a misuse of Char that you cannot know is ok unless it is in context of the caller.  We don't have other unsafe misuses of numbers without explicit conversion, so why is Char treated like a number without explicit conversion?  <@U092308M7>