> On Oct 18, 2016, at 11:34 PM, Jacob Bandes-Storch via swift-evolution > <swift-evolution@swift.org> wrote: > > However, Swift's current identifier and operator character sets do not > conform to any Unicode standards, nor have they been rationalized in the > language or compiler documentation.
This isn't entirely true. Swift's current identifier set derives from the C working group WG14's proposal N1518, "Recommendations for extended identifier characters for C and C++": http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3146.html <http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3146.html> which unfortunately isn't called out anywhere in the compiler docs except this old language reference: https://github.com/apple/swift/blob/master/docs/archive/LangRefNew.rst#identifier-tokens <https://github.com/apple/swift/blob/master/docs/archive/LangRefNew.rst#identifier-tokens> -Joe
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