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Old 03-14-2016, 10:46 PM   #8
seanos
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Posts: 104
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Join Date: Apr 2010
Location: Melbourne, Australia
Device: Kobo Sage, Kobo Aura H2O, LG V20
Quote:
Originally Posted by GeoffR View Post
What is interesting about the font you are using is that the KePub reader is displaying ligatures. With all the fonts I have seen, only the ePub reader displays ligatures.

The EBGaramond font I am using has the s_t and c_t ligatures in the font, but they are in the historical ligature set ('hlig' feature), not in the standard ligature set ('liga' feature), so they don't display automatically.

I wonder how your font's GSUB lookup tables are set out. Perhaps there is a way to make the KePub reader display ligatures for other fonts too, by editing the GSUB tables?
I have run the font through FontSquirrel’s Webfont Generator which can fold OpenType features into the font (hlig in this case), so it’s possible that had done something strange along the way. It is odd that the problem only shows up in kepub though.

Although I have FontForge I’ve barely used it. Is it simply a matter of checking Old Style ‘kern’ in the font generation options? I notice there’s also a Windows-compatible ‘kern’ option — is that required as well? I had been using the OTF version.

I should probably go back and do some more testing.
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