Comments (3)
Yes the real validity test would be both checksum and that the range has been issued by ISBN international. Making the methods #valid_isbn_13?
and #valid_isbn_10?
public might be helpful.
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from lisbn.
I agree, I think the valid?
method is poorly named right now. It really is more like valid_checksum?
.
I'd be very happy to review a PR that uses the parts
method to determine if the ISBN is really valid, and that renames the existing methods to valid_checksum?
.
Thanks!
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Related Issues (4)
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