Quote:
Originally Posted by DonPayne
> <package prefix="ibooks: http://vocabulary.itunes.apple.com/rdf/ibooks/vocabulary-extensions-1.0/" unique-identifier="bookid" version="3.0" xmlns="http://www.idpf.org/2007/opf">
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Where it shows version="3.0" shows that this is an ePub 3 eBook and thus, not compatible with Sigil 0.9.2 or earlier.