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Old 05-06-2013, 02:28 PM   #17
DNSB
Bibliophagist
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Posts: 47,279
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Join Date: Jul 2010
Location: Vancouver
Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos
Quote:
Originally Posted by roger64 View Post
Thanks for your comments.

I have a question: If I rename the epub as kepub and tweak some metadata, will it work properly at last?

Interesting statement from Kobo:



optimal seems to have a strange meaning in Canada...

Do they expect customers to believe that kepubs are an enhanced sort of epub, and, for this reason, they keep some artificial hurdles specially for epubs... ?
The italics displaying as bold issue does not seem to be an issue when using the kepub (ACCESS?) rendering engine. There are other issues with differences between how the two rendering engines work. The majority of the hurdles for epubs seem to be common to any device using the Adobe Reader Mobile code. The hurdles for kepub files are unique to Kobo.

The rendering engine for kepubs is enhanced in several ways with support for quite a few EPUB3 directives. Try displaying Hebrew, Arabic, Japanese, etc. as an .epub and on as a .kepub.epub. Take a wild guess as to which one you will want to use.

There is a Calibre add-on to allow automating the tweaking of epubs and saving them on the Kobo as .kepub.epub. It addresses some of the issues such as cover images but does not add the <span id="kobo.x.x">tags used to track each paragraph in a file nor does it address the stylesheet changes needed to compensate for differences between the rendering engines.

The freebie Great Expectations kepub file from my Glo looks rather different when renamed as .epub and viewed on the Glo or copied to my laptop and viewed using ADE.

As for the font issue, I've found a font that supports the characters I need and has a nice weight and use that for pretty much all my reading. My only other need was a monospaced font on hand for special purposes such as computer output display. Now, that is a font that I feel should have been supplied by Kobo. I feel no real need to have my ebooks look like ransom notes. I've been there and read that during the early days of the Macintosh when there seemed to a competition to see how many fonts you could use in a single page letter. Then there was writing programs in PostScript to display text in a spiral on the page for those who wanted to be really different. Don Lancaster had much to answer for.

Regards,
David
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