Trying to find out why the to_unicode tests of libidn2 fail since a few months...
It happens on OSX Travis-CI runner, all the infos I have are $ clang --version Apple LLVM version 8.1.0 (clang-802.0.42) Target: x86_64-apple-darwin16.7.0 Thread model: posix InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin before_install.1 locale_charset() returns with "UTF-8". u8_strconv_to_locale() and u8_strconv_from_locale() seem not to work as expected: One problem seems to be that u8_strconv_to_locale() outputs decomposed characters, e.g. u8_strconv_to_locale(bücher.de) returns b"ucher.de. Hex/u32: Result: U+0062 U+0022 U+0075 U+0063 U+0068 U+0065 U+0072 U+002e U+0064 U+0065) Expected: U+0062 U+00fc U+0063 U+0068 U+0065 U+0072 U+002e U+0064 U+0065 The second problem is that characters beyond 255 are translated into ? (U+003f). Do you have any hints how to fix these problems ? I would expect u8_strconv_to_locale() to work in a defined manner on UTF-8 locales - but maybe I am wrong. I could apply a normalization step in the test itself, but not sure if that is the correct solution. For problem 2 I see no solution right now. With Best Regards, Tim
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