Thread: Darkening and subsetting fonts
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Old 04-25-2018, 09:00 PM   #39
sherman
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Posts: 856
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Join Date: Aug 2008
Location: Taranaki - NZ
Device: Kobo Aura H2O, Kobo Forma
Quote:
Originally Posted by Doitsu View Post
AFAIK, there are no mainstream epub2 apps that actually support ligatures (and other OpenType features). What apps/readers do you use to test ligatures?

Is there a ligature bug in the Calibre subsetting code? If so, you might want to report it to Kovid, if you haven't already done so. (When I reported a font subsetting problem with Arabic fonts a couple of years ago he fixed it the same day and the fix made it into the weekly Calibre build.)
Umm, a little known epub 2 renderer called Adobe RMSDK supports ligatures and kerning (and maybe other opentype features).

In fact, Here are a couple of screenshots from my Kobo of a test epub. First screenshot is the in built Georgia font, which clearly has no ligatures. The second screenshot, I switched to Alegreya, which does.
Attached Thumbnails
Click image for larger version Name: Georgia No Lig.png Views: 354 Size: 50.8 KB ID: 163674   Click image for larger version Name: Alegreya Lig.png Views: 398 Size: 49.7 KB ID: 163675  
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