Quote:
Originally Posted by KevinH
Are there any other calibre: specific metadata entries that fill holes in the epub2 metadata spec that can be converted to epub3 equivalents?
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AFAIK, besides
calibre:title_sort,
calibre:series,
calibre:series_index and
calibre:title_sort all other calibre <meta> entries (
calibre:rating,
calibre:timestamp and
calibre:author_link_map) are used for internal purposes only and have no meaning outside of Calibre and Calibre-compatible software.