Thread: Kobo Bug thread
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Old 04-01-2014, 02:02 AM   #448
speakingtohe
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Posts: 4,812
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Join Date: Apr 2010
Device: sony PRS-T1 and T3, Kobo Mini and Aura HD, Tablet
Quote:
Originally Posted by DNSB View Post
Common complaint about Kobo actually using the embedded styles while other ereaders seem to disregard the embedded style and use a generic stylesheet. The only time I've had that issue on legitimate epubs (not from the result of converting other formats to epub), the issue was traceable to styles that the Kobo was trying to display as intended.



The only times I've seen that on my collection of Kobo ereaders is when I manually deleted the ebook from my computer's file explorer and then replaced it with a new copy. Using either Calibre or the Kobo GUI to delete a book has not caused the problem -- so far. My opinion is this issue is due to the database not being cleaned up so the new copy is using the old book's information.

Try deleting the book using either Calibre or the Kobo GUI and then reloading it to see if it now works.



I've compared a couple of other ereaders including a Sony and an Ectaco to Kobos. What I can say is that Kobo displayed the ebook's styling including wide margins and line spacing correctly even when that correctness was a pain to try to read. On one ebook, the margins on the Kobo were ~2cm wide and the lines were double spaced with ~1cm gaps between paragraphs. Looking at the stylesheets (6 of them plus an Adobe page-template.xpgt!) in the epub after removing the DRM, that was exactly what the publisher (Bloombury) intended. Trying to read a page using the same screen real estate as the book cover uses when sleeping in non-fullscreen mode is not "A GOOD IDEA" in my not so humble opinion.

I won't get started on stylesheet that use points (talk about relics from dead tree books) or pixels for absolute sizing rather than % or em to allow scaling.

Regards,
David
Book was just put on, but I will try deleting it and putting it on again.

I also have a hard time understanding why a publisher, Barnes and Noble for example, would intend a book to have/display spaces between each and every line several times the height of the characters.

I don't pretend to understand how renderers work. I have the impression due to people saying it is the Adobe engine responsible for rendering epubs, that it is (the renderer) somewhat independent. But others seem to indicate that reader manufacturers/developers have quite a bit of control. Perhaps you could explain which is right if you have time.

And yes I have seen some ugly books, many of which are not displayed well by any reader/app/program. Even some books available on overdrive leave a lot to be desired. Generally I can fix them and I am not overly fussy.

But I have seen many more that display just fine on other readers, programs, apps. In fact they closely mimic a paper book. Why have there not been big protests from publishers when these books are displayed with normal spacing, consistent margins etc. if they were intended to be displayed with the big gaps and other peculiarities?

I am obviously missing the big picture

Helen
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