As per the ePub 2.0 spec:
Quote:
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dtb:totalPageCount Content: Non-negative integer indicating the number of pageTargets in the pageList. If there are no navigable pages, then dtb:totalPageCount must have a value of zero.
Occurrence: Required dtb:maxPageNumberContent: Non-negative integer indicating the largest value attribute on pageTarget in the pageList. If there are no navigable pages, then dtb:maxPageNumber must have a value of zero.
Occurrence: Required
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As far as I know, dtb = digital talking book....so are these metadata values used strictly for accessibility reasons (audio books, etc?) Anyone have any insight on this one?