Thread: Kepub format questions
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Old 04-01-2019, 08:24 PM   #93
davidfor
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Quote:
Originally Posted by maximus83 View Post
Not familiar with that term, what is a 'format shift' and how does that differ from conversion? Do you mean just renaming the file extension, or are there additional steps it does?
The calibre conversion does a lot more than what the KoboTouchExtended driver. It will probably change every element in the book. It actually works by converting the input book to a common format and then writing that to the output format. In doing this, it will probably completely rewrite the CSS. As well, elements of the HTML code will change, the internal files can be split or merged, the ToC can be rebuilt and lots of other things will happen. Plus it can make changes to what the book looks like when read.

The KoboTouchExtended driver "simply" wraps spans around each sentence in the book. And adds a couple of divs around each chapter. It doesn't change the existing CSS, the internal file structure or the ToC. It shouldn't result in any difference in how the book looks like except what is inherent in using the kepub renderer instead of the Adobe RMSDK.

I usually use the word "transform" to describe the action of the KoboTouchExtended driver to distinguish it from a calibre conversion. I can't decide if "Format shift" is a better term for this or not.
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