Thread: Corrupted EPUB file?
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Old 10-31-2016, 02:37 AM   #12
cedhax
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Join Date: Jan 2016
Device: ipad
Quote:
Originally Posted by Sarmat89 View Post
I've downloaded a sample EPUB3 file, but it cannot be open by ADE 4.5.2, which reports unspecified 'errors'. I thought ADE supports EPUB v3, is it a software bug or the file is indeed corrupt?
I downloaded the attachment to my iPad. The EPUB3 file "Moby-Dick" can be opened by (the latest version of) iBooks, Kobo, MapleRead, Hyphen, Marvin 3 and Bluefire Reader. However, they don't behave the same (at least) as far as Table of Contents is concerned. While the first four iOS apps display all the 141 TOC entries, including the 135 chapter titles, the last two apps fail to do so and display an empty TOC.

Why? It's because a different TOC (navigation map) representation is used by EPUB3. Any reader app that claims any EPUB3 support should at least support this new TOC representation. Apparently, two big-company apps (iBooks, Kobo) and two small-team apps (MapleRead, Hyphen) have such basic EPUB3 support, while the other two small-team apps (Marvin 3, Bluefire Reader) don't.
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