HGi,
Actually no. epubcheck 3.X has a bug. An ncx under epub3 is allowed to have a DOCTYPE as it is required for fallback.
This bug is fixed in epubcheck 4. So an proper daisy ncx with full doctype is allowed in epub3. Check the official epucheck 3.1 bug reports for details.
KevinH
Quote:
Originally Posted by elmimmo
Forgot to add (just for context; again I am fine if you think this is not in line with KindleUnpack's purpose) that while omitting the NCX DOCTYPE is optional in EPUB2, doing so is actually required in EPUB 3. Again, a DOCTYPE that my source lacks but KindleUnpack is adding when outputting to EPUB 3.
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