Thread: Kobo Forma database problems
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Old 11-01-2018, 07:18 PM   #28
davidfor
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by kobayashi View Post
I can confirm on my Forma that epubs are what's causing the issue.
I have absolutely no doubt that some epubs cause problems like this. All I have said is that in this case, this is what is causing the problem. But, I wasn't at all surprised that that particular error in the epub didn't cause a problem. I know that the firmware doesn't look at that attribute for epubs. But, based on comments in the calibre forum, that error might cause a problem on other devices.
Quote:
When converting all to kepub before transferring, they all load correctly on the Forma but some of the formatting is messed up.
Did you actually do a conversion to kepub? Or are you using the KoboTouchExtended driver to transform the epubs to kepubs? These work in very different ways. If it was an actual conversion, then I would not expect an error. A suggestion of how to fix these sort of problems is to do an epub-to-epub conversion. That will fix most errors in an epub. And an epub-to-kepub conversion is basically an epub-to-epub conversion plus adding the spans. Doing this would have definitely fixed this error.
Quote:
The firmware on the Forma must be much less tolerant of any issues than all previous Kobo firmware.
Yes, they have changed something and missed catching an error. I have reported the problem pointing at this thread. Hopefully it will be fixed in the next update.

But, as a note, sideloaded kepubs aren't really a supported format. The only reference to them is as a suggestion for book creators to test their books before submitting them to Kobo. Kobo could come back and say "unsupported, fix the book first". I don't expect them to, but, it is a valid response from them.
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