On Sat, Nov 16, 2019 at 09:41:05PM +0100, Andy Wingo wrote: > Given the following example, using (rnrs unicode): > > (string-foldcase "ΜΈΛΟΣ")
Good catch. I think there's even a worse example: dotless and dotted I [1]. Here it seems even impossible to do up- and downcase correctly without knowing the language context. Cheers [1] https://en.wikipedia.org/wiki/%C4%B0 -- tomás
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