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How do you know it worked properly?


The first paragraph and image in the article. When the author copied the text from FineReader's PDF and pasted it in TextEdit, it had the correct text. When the author tried that with preview's pdf, it pasted garbled data.


That doesn’t mean there wasn’t file corruption.


I never said anything about file corruption. You asked how I know FineReader worked properly, and I explained why the article showed it working properly, and that preview doesn't work properly anymore.


File corruption would be a way it would not be working properly that wouldn’t be revealed by what you did.




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