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PKTC · 03-31-2016, 02:44 AM

OK, I've downloaded and installed sigil and the EPUB3 plugin per the recommendations above. It produced an EPUB3 that failed EpubCheck. I went back to the source, an EPUB file exported from Calibre. It too produced an EPUB that failed EpubCheck. EpubCheck reports that the Epub file from Calibre is v. 2.0.1. Now where to go. Half our catalogue (we are a publisher) is in Calibre and we would like an easy way to go to Epub3 rather than have to do the whole thing over again.

03-31-2016, 02:44 AM	#7
PKTC Junior Member Posts: 6 Karma: 10 Join Date: Mar 2016 Device: kindle	OK, I've downloaded and installed sigil and the EPUB3 plugin per the recommendations above. It produced an EPUB3 that failed EpubCheck. I went back to the source, an EPUB file exported from Calibre. It too produced an EPUB that failed EpubCheck. EpubCheck reports that the Epub file from Calibre is v. 2.0.1. Now where to go. Half our catalogue (we are a publisher) is in Calibre and we would like an easy way to go to Epub3 rather than have to do the whole thing over again.