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Another False-Positive ISBN-problem found
At the moment I get a lot more ISBN numbers then at the time there was the ISBN-text test.
I have some new false positive though. But there is a solution for it.
The problem is in the 13-number ISBN.
A 13-ISBN-number needs to start with 978 or 979.
I got some numbers starting with random other numbers. Checksum is all right though.
If there is a check on 978 or 979 start for 13-digit ISBN-numbers, this problem is solved
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