Quote:
Originally Posted by Toxaris
Don't forget, there will be a transition period. I highly doubt that the readers will get a firmware update (the most anyway) to be able to handle the updated format. Since also the navigation and TOC mechanism will be changed.
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I read somewhere (on some idpf page) that they epub 3 need to be backward compatible, so that they can be read by older machines, if i remember correctly, this means that the .opf and ncx will also be in epub3 (sorry no links or proof to back up my point
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