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    Bug 
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    Resolution: Done
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    P2: Important 
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    None
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    6.0.0
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    None
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        47b1e883e4d177729108ba71bf581957885fe46a (qt/qtbase/dev)
Get rid of the old harfbuzz in Qt 6.0.
We should always use harfbuzz-ng for open type processing. The old harfbuzz is still used by QTextBoundaryFinder for text segmentation. The required code (a very small part of harfbuzz) has been written by me (Lars) ~10 years ago and has a Qt Company copyright, so we can simply pull it out of harfbuzz and back into Qt Core/QTBF.