Quote:
Originally Posted by judyni
Very curious. You say look at "unpack" (don't know what that is) or sigil, but wouldn't Calibre's own Edit Epub show the same thing? Surely it wouldn't "cheat" and look at the metadata.opf file...
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But it would and does essentially look at the metadata and update the book upon opening it in the editor. This happens if you have the
Update metadata embedded in the book when opening item checked in Edit Book's Preferences (which is enabled by default).