Quote:
Originally Posted by jhowell
I will take a look at the book you mentioned when I have time, but I doubt that I will be able to do much to improve how it converts. My goal is to make the EPUB produced by this plugin reflect whatever is in the KFX file as much as possible. If that KFX file has mangled formatting then it is beyond my scope of work to fix it, except in rare cases where there is an obvious and simple way to do it.
Sounds like a case of garbage in/garbage out. Amazon only supports a very specific subset of fixed layout as (poorly) documented in their Kindle Publishing Guidelines.
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At least From KFX generates error free (according to calibre) ePub, and it renders in Apple Books and Thorium (PocketBook still won't but even image only fixed layout is not well supported).
That said, calibre doesn't convert it to a functioning AZW3 (and never said that it would, but at least it does not get stuck generating something) and Kindle Previewer still thinks there's something wrong with it (without giving any details).
As you suggest, it's possible the conversion to KFX does this mangling -- after all KF8 fixed layout never supported text search or hyperlinks or text selection, so why carry forward all the position data and make sure hyperlinks work?
Even in ePub universe fixed layout is like an unwanted stepchild.
Years after it was specified, they are only now getting around to addressing ePub Fixed Layout Accessibility:
https://www.w3.org/news/2024/group-n...accessibility/
https://epubsecrets.com/the-accessiv...ble-comics.php
There seems no hope that ePub platforms much less publishers will do anything to implement these practices. Much less Amazon doing so.