Quote:
Originally Posted by ibu
You wrote in another posting, that, in generell, the layout capability of the adobe software is better than from the other software for kepubs.
Is there anywhere a nice big data table which faces that two types of software next together?
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I don't think there is anything as organised as that, I am just voicing my impressions after a few years reading both KePubs and ePubs. (If I buy a book from Kobo I often read it with the KePub reader and note all the mistakes as I go, then later I edit the book in calibre to fix all the mistakes and sideload the corrected version as an ePub for future reading.)
It makes a big difference how well the ebook is constructed; in general I think the KePub reader does better with poorly-constructed books, because it overrides the publisher's bad choices; the ePub reader does better with well-constructed books because it doesn't override the publisher's good choices.
It also depends a lot on what settings you choose to read the book. I like full justification with hyphenation, and fairly narrow line spacing. The KePub reader does quite well with left-justified text and wide line spacing, but it has a number of bugs that come into effect with full justification or narrow line spacing.
There are firmware patches that can help with some of the KePub problems; I use one to fix the justification bug even though it has the side-effect of disabling kerning. I then read KePubs with only a few fonts that don't depend too much on kerning, and refrain from selecting the narrower line spacings. But reading an ePub is a nicer experience as I can use fonts that make heavy use of kerning and ligatures and still get good justification and word spacing, and more comfortable line spacing.
The KePub reader used to have a horrible hyphenation bug, but it was finally fixed back in firmware 3.16.0. I'm hoping Kobo will eventually fix the problems with justification, word spacing, line spacing and add support for ligature substitutions and page breaking styles, but until then I am glad the ePub reader is available as an alternative.