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Old 01-03-2025, 06:13 PM   #6
nikosan
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Posts: 61
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Join Date: Feb 2022
Device: Kobo Sage (prev. Kindle PW5)
Really appreciate all the sleuthing, rashkae, thank you!

Quote:
Originally Posted by rashkae View Post
It was an interesting sample to look at thank you. One thing to note about this file is that it is a pure epub3 file that only has nav.xhtml and no backwards compatible toc.ncx file. This is probably very rare, as most commercially available books will have the toc.ncx. Converting to epub3 in calibre is the only time I've seen a book without.
Shoot, yeah, I did convert it to ePUB3 via Calibre... I didn't think it would hurt anything to do that, but it sounds like that's where my issue started?

Quote:
Originally Posted by rashkae View Post
Edit 2: As another experiment, I added a toc.ncx file. But when sending as Kepub, the Kobo still generated it's toc from the nav.xhtml file and did not display the spaces. At this point, I will need to download an epub3 file to Kobo Desktop and decrypt it to see if it handles the nav file differently.
On a whim, I downloaded the Kobo preview of the book I had sideloaded -- it looks like it still has the full ToC despite not having all of the actual content. Does this offer any more insight re: how I might fixed the books I've already converted?

scrambled - Unknown.epub
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