Quote:
Originally Posted by kovidgoyal
all books are indexed. there is no such thing as a non indexed book. only books that have been indexed or are queued to be indexed. Even if a book doesnt have much text in it, it will still be indexed with whatever text it does have. If it has no text it will be indexed with the empty string.
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Thank you Kovid for the clarification.
So there is no way to know which books are indexed with an empty string? These would be surely pdf scanned without ocr: it would be useful (for me at least

) to catch them and perform ocr.