Quote:
Originally Posted by JSWolf
KePub is nothing to do with a Kindle. It's a Kobo ePub file. There are two programs on a Kobo for rendering ePub or KePub.
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Yes, I'm aware of that. Perhaps my previous post was unclear, but I was comparing the two download options the site gives. They are both epub files in the end. The ".kepub.epub" file is just an epub with the Kobo extra span tags and such for tracking reading progress and rendering better/faster on kobo devices. ".kepub" is a recognized extension in Calibre and I can transfer to my Kobo devices because it's recognized as such.
Contrast that with their "Kindle Epub file" download option that downloads another epub file, but with the ".kindle.epub" extension. If I do the same filename modification, I end up with a ".kindle" file that is an epub inside, but programs like Calibre that interpret based on file extension won't know what to with that since ".kindle" isn't really a recognized ebook extension like mobi, epub, or even kepub.
Question 1 is how to store/use this in Calibre without overwriting the regular epub file since it's basically one extension type per book in my experience and even though it won't complain about storing a ".kindle" filename, it won't be able to do anything with it either.
Question 2 asks if anyone has seen this before and if they know if they are actually any different than the regular epub file in a meaningful way, maybe similar to how a kepub carries those extra tags and such for their readers, but in this case for a kindle? I'm not an expert on internal epub structure or formatting, but I can tell you it has a different md5sum than the regular epub file download option, so something is different, just unclear what and if it's worth keeping the extra file, or just using the regular epub when using "Send to Kindle" or loading via Calibre.