Quote:
Originally Posted by transfield
What do I need to do in my html file or in Calibre to make my epub compatible with all the requirements stated above?
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Calibre is a great converter that does its best to convert even the most imvalid source files, however, it's not intended to be an ebook editor.
I'd recommend using
Sigil instead. Sigil will automatically fix some errors in ePubs when you open or save them. It also comes with its own error checking tool, FlightCrew.
Open your ePub with Sigil click the big green check mark to search for problems and fix them. Then go to
epub check online to search for issues that Flightcrew might have missed. If your book passes both tests, you shouldn't have problems with the upload.
For more specific questions post either in the Sigil or ePub MR forums.