While it is not supported 100%, good level of support is there already (half full
) :
http://epubtest.org/results/
Also, Pandoc (
http://johnmacfarlane.net/pandoc/epub.html) has very good support for EPUB3.
I'm not sure why EPUB 3 is a 'useless format' - could you please elaborate?
Quote:
Originally Posted by eschwartz
Now find an E-Ink ereader that supports EPUB3.
Bringing EPUB3 as a proof is a bad move. It is vastly undersupported.
calibre does not support EPUB3. This is by design, since it is not worth supporting useless formats.
Expecting calibre to generate EPUB3-specific features during standard conversions is just asking for MASSIVE trouble in the vast, vast majority of EPUBs and ereaders.
Note that the Editor will throw a warning/error, but will allow you to use whatever you want (it will in fact never do anything of its own volition, only when told). I do not hold out tremendous hope that any automated tools will provide explicit support for EPUB3 anytime soon.
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