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by lifthrasiir
1669 days ago
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It is not a bug. That very character was submitted to Unicode by none other than DIN (the German national standardization organization) [1] and it was clearly indicated that the capital eszett should be encoded without case folding to the original eszett (p. 4). As others mentioned the capital eszett is allowed but not enforced, so DIN didn't want to break the original case mapping between ß and SS. And because of the Unicode stability policy [2], it can no longer be made into a case pair even though DIN changes its mind. [1] http://std.dkuug.dk/jtc1/sc2/wg2/docs/n3227.pdf [2] https://www.unicode.org/policies/stability_policy.html#Case_... |
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