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  1. Qt
  2. QTBUG-139592

Qt compares invalid UTF-16/UTF-8 sequences as equal to ones containing QChar::ReplacementCharacter at same location

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P2: Important P2: Important
    • None
    • 6.10.0 Beta3
    • Core: QString and Unicode
    • None

      E.g. currently "\x4E"_ba == u"\xFFFE"_s. They should not be the same. That begs the question which one should be sorted first, or whether we should assert on this (probably not), but they should definitely not sort equal.

      Ditto probably (didn't verify, yet) with UTF-16/UTF-16 comparisons involving invalid surrogate pairs and/or replacement characters.

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            cnn Qt Core & Network
            mmutz Marc Mutz
            Vladimir Minenko Vladimir Minenko
            Alex Blasche Alex Blasche
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