Been around a long time, but never posted. I've watched the developments of calibre for a while now, and enjoy the newer versions a great deal.
Something I have noticed in the latest version, with the .8 changed turned on, is that isbn does not fix dashes as it once did. In previous versions, when an ISBN with dashes existed, and 'edit metadata' was used, the dashes were automatically removed.
Also, should two ISBN: markers be used ie: isbn:978123456789 and isbn:978123456780 both disappear leaving the Ids window empty. I am sure that you do not allow multiple ISBN's, though it would be nice in the case of identification on some websites (such as amazon only holding specific isbn's) but even if that is impossible, or extremely difficult, would it not be better to use the first, or the first valid isbn instead of deleting both?
I do not keep track of everything within the forum, just skim through every few days, but I have not run across anything explaining what markers are usable in the ID window, and if multiple ISBN's are usable.
I have also run across other item, such as isbn:ss0743471563 and the alt-menu saying this is a valid ISBN. I'm not sure how the program reads the ID's, but even in the case that the numbering is correct, should letters previous to the numbering make the ISBN invalid?
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