Quote:
Originally Posted by sebasdoes
I am considering buying the Aura HD as an upgrade to my PRS-T1. I do have one question about ePub 3 support because I want to read Japanese ePubs on it.
Does the Aura support vertical writing (tategaki) and ruby script (furigana)? These are both functions of ePub 3, and both quite important to me when considering an upgrade. The PRS-T1 supports neither, so I want at least that when upgrading.
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Only kepubs currently support tategaki (iirc). the adobe renderer doesn't support epub 3 yet (apparently they had a roadmap to implement it, then withdrew that).
If you have tategaki epubs and you want to read them on your kobo, you can use calibre's Extended Kobo Touch plugin and it will convert your books on-the-fly when it is transferring them to your device. This means your computer will still have your original epubs, but on your kobo they will be using the kepub renderer which DOES support epub 3.
Furigana is definitely supported on epub. And I would be incredibly surprised if it wasn't supported in kepub (since it supports japanese really well). I can't give you a 100% on that simply because none of my kepub have furigana. If you know of a free one from the kobo store, I can try it out. But as I say, furigana support shouldn't be a problem with both formats.
Edit:
Just found a free kepub that happened to use both tategaki and furigana. Both work fine. There is no epub available for this book, which kinda signals that an epub wouldn't work with the tategaki as I suspected.
Final verdict:
Tategaki: use kepub (using calibre's extended plugin for epubs from stores other than kobo to get them to use the kepub renderer on device)
Furigana: works with both epub and kepub.