One last thing that just happened: I made two highlights on a book (EPUB3), then closed it and restarted calibre. After restarting, the highlight was displaced from its original position. See the attached image.
The original highlighted sentence was:
Quote:
Fast-forward to the present day. Real-life self-driving cars now cruise around the cities of Silicon Valley day and night.
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After restart, it now shows:
Quote:
We’ve developed a computer program that can beat the best humans at the ancient game of Go. Meanwhile, the artificial int
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They are the exact same size (124 chars). The highlight got displaced.