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Case-insensitive string comparison with lc/uc is probably a trap #994

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AlexDaniel opened this issue Oct 27, 2016 · 0 comments

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AlexDaniel commented Oct 27, 2016

say ‘groß’.lc eq ‘GROSS’.lc # False
say ‘groß’.uc eq ‘GROSS’.uc # True, but that's just luck
say ‘groß’.fc eq ‘GROSS’.fc # True

Of course, this is not specific to Perl 6. However, we probably want to mention it anyway given how much we love unicode.

“Probably” because I'm not sure if there's someone who doesn't know about this.

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