ids - Best practice
Hi all,
So a question on usage of id's
I have a lot of extra info I want to add (and make searchable) to my books.
This is info of a certain type having 1 or 2 values for a book (like ISBN (can also have 2 values 10 AND 13)).
So my question is (also consider coming versions of calibre that may introduce specific fields for this info), should I put info like this into id's, or is there a better way:
both isbn 10 AND 13
NUR (3 digit number representing a main genre group)
NUGI (obsolete 3 digit number, replaced by NUR no 1-1 mapping)
Original Title
Cover type (soft cover hard cover)
Image type (full color, BW, 4-color)
Quality (Photo, OCR, direct text)
Offline status (true / false - indicating having a paper copy)
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