Quote:
Originally Posted by Valloric
The "plist" used by the iPad/iTunes will not be added to epubs by default, but Sigil will add them if an option is selected, either on export or in an options screen.
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It might be safer to let iTunes generate the plist. It contains a couple of hashes for the cover image and package as well as a unique ID that seems to be generated by iTunes. If you import an epub which already has a plist file in it then the ID and hashes are
not regenerated, but iTunes will use the data from the plist rather than that from the opf.
I would presume that the hashes and Apple-assigned ID are important for books that are going to the iBookstore.
If Apple remains consistent with their past approach to iTunes data, then it's safe for 3rd-party apps to read iTunes-generated xml, but best not to try to write it.
BTW, iTunes will recognise the dc:creator opf:file-as attribute and use it to set the artist sort field. I tested a couple of the opf:role codes, but iTunes seems to ignore them. The first dc:creator entry is used as the artist name, no matter what the assigned role is.