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Old 01-17-2015, 01:29 AM   #10
davidfor
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Posts: 24,905
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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 leftright View Post
I'm now going through each book in my Calibre collection to verify the integrity of the TOC and also do a "bug" check. I have come across four books whose TOC was absolutely atrocious, it took Calibre several seconds to load the book's TOC and there would be a pause of a few seconds each time I deleted a pointless link, I eventually lost patience and deleted the entire TOC, that also locked up the TOC edit window for 30+ seconds.

If Calibre struggles then I understand how the Glo "stalls".
Yes, if calibre on a PC is having trouble, then the low-powered CPU in the ereader is going to get stuck. What was wrong with the ToCs?
Quote:
Why does the Kobo "OS" scan the TOC when the book is transferred, why doesn't it load the TOC only if the book is opened ?, surely that makes more sense and would prohibit the stalling issue.
I believe it has something to do with how the older devices and firmware worked. With at least one of them, they unpacked the epubs when they were added to the device. Building the database entries while doing that probably made sense. There is a clear path of evolution in the down through the firmware, so the current versions do a lot of things the same as the older versions. It would seem to make sense to extract the ToC when the book is first opened, but, unless Kobo sees a real benefit in spending the time and resources on it, it isn't going to change.
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