Thread: calibre and the new kindle layout engine
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Old 06-29-2015, 05:29 PM   #23
JSWolf
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Join Date: Nov 2006
Location: Roslindale, Massachusetts
Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3
Quote:
Originally Posted by odamizu View Post
I downloaded a dozen of my purchased Kindle books to Kindle for Mac.

Of those, half were labelled as having enhanced typesetting on Amazon's website -- though it's possible the versions I received don't include enhanced typesetting code and only devices that can handle enhanced typesetting (PW3, K4iOS, etc.) will receive "enhanced" versions.

Curiously, only 2 books showed hyphenation. One supposedly had enhanced typesetting, the other did not. Five other books supposedly having enhanced typesetting did not have hyphens. Repeat: hyphenation doesn't seem to be reliant on this enhanced typesetting. After KindleUnpack-ing the books, I noticed that books with hyphenation had CSS for hyphens (i.e., -epub-hyphens:auto; -webkit-hyphens:auto) whereas books without hyphens lacked this CSS. Whether or not the books had enhanced typesetting seemed irrelevant.

I also did a quick comparison of opf files and found no toggle, like there is with TTS. This was disappointing. I was hoping JSWolf was right about a toggle. Though there may still be something in the opf that enables enhanced typesetting that I missed on my cursory scan. There was also nothing in the CSS (other than the hyphen code) that shouted "enhanced typesetting" to me.

I think it's too early to tell what impact this enhanced typesetting will have on Alf, Calibre, KindleUnpack, etc. Hopefully nothing, and I don't expect it to. But the fact that developers attempting to reverse engineer the enhanced typesetting have been thwarted (so far) worries me.
The OPF won't say if the advanced typesetting is a toggle or not as KindleUnpack doesn't know about this (if indeed it is a toggle like TTS). I did look at one of the Kindle books I have that says it has typesetting enabled and I cannot see anything in the CSS and OPF that turns this on. There is no option in CSS for hyphens. But what I can do is try the hyphen option you've specified and see if that works. I hope it's something that simple to make it work.

I was thinking of getting a PW3 for someone as a gift to replace her Kindle Touch. But if I cannot get side loaded eBooks to use the new typesetting, I might not do that.
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