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Old 09-05-2014, 11:48 PM   #167
DNSB
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Posts: 51,621
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Join Date: Jul 2010
Location: Vancouver
Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos
Quote:
Originally Posted by arspr View Post
I knew that ACCESS is in theory an epub3 renderer (although epub3 has not killed widows and orphans, doesn't it?, but Kobo/ACCESS has... ). And I also knew that ncx are not "used" in epub3.

But in any case, I have a "pure" epub2 book, so unless you are fully crazy in your software design, even if it is an epub3 reader, it should work with the old epub2 books. So it should work even if the book doesn't include any kind of the new and improved ncx-like whatever ToC format (because as already said it's not an epub3 book but an epub2 one...). So it should work with the repeated toc entries which are explicitly mentioned in epub2+ncx spec, (unless I'm making some mistake somewhere).
EPUB3 compliant rendering engines will attempt to render EPUB2 content. But there is a gotcha -- there are several areas where the standard changes how the renderer behaves. This would be like expecting your HTML5 web browser to display HTML4 code exactly as a HTML4 web browser would.

There is quite a bit of information on generating EPUB3 and EPUB2/3 books available so I am not going to waste both our time re-inventing the wheel.

Regards,
David
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