Thread: Hyphenate your ebook files from the command line
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Old 05-18-2016, 04:06 PM   #3
acabal
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Quote:
Originally Posted by jhowell View Post
Sorry for the off-topic post, but I want to correct some misinformation.



There was speculation that soft hyphens were being used for enhanced typesetting, but this turned out to be false.

Amazon's enhanced typesetting relies on a proprietary e-book format: KFX. Soft hyphens are not present in books using this format. Instead language-specific hyphenation dictionaries are used to add hyphens when text is rendered.

The KFX renderer has these dictionaries: dicts/hyph_de.bin, dicts/hyph_en.bin, dicts/hyph_es.bin, dicts/hyph_fr.bin, dicts/hyph_it.bin, dicts/hyph_nl.bin, dicts/hyph_pt.bin, dicts/hyph_ru.bin.
Are you certain? I just ran a test on a Kindle Voyage with 5.6.5: an epub file without soft hyphens converted to azw3 with Calibre does not hyphenate at all.

Adding soft hyphens to the same file with this script and converting with Calibre to the same format makes Kindle hyphenate.

Curious to see the discussion on this--is there a thread you can point me to?
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