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Old 10-28-2022, 11:32 AM   #40
innocenat
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Posts: 125
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Join Date: Feb 2022
Device: PPW5, Quaderno A4, Supernote A6X, Leaf 2
Quote:
Originally Posted by DNSB View Post
An epub that is compliant with the epub specification will convert happily. An epub with errors will not.
This is simply not true. I have seen many valid EPUB that pass epubcheck but failed Amazon conversion. This is just on top of my head.
  • Multi-part dc:title. Amazon just error out when multiple titles are present.
  • Out-of-order TOC. This is discourage by EPUB spec, but it is allowed. Previously was rejected entirely -- now just get a blank TOC instead.
  • Didn't get time to investigated this much, but it seems that books in languages not supported by KDP/Amazon themselves are (or were) being rejected.


Not to mention that EPUB spec require the file to either be in UTF-8 or UTF-16 so Amazon's default assumption of CP-1252 doesn't make sense in this context either (I know the reason why Amazon do this but this does not align with EPUB spec)
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