Re: [libreoffice-users] Re: Question about kerning and opentype features (ligatures)

Thank you for your reply, @Owen!

The problem is that the bug affects my TTF fonts, too (including OTF). Maybe the option "Pair 
Kerning" disables the default kerning, but most of the fonts use the GPOS table for kern pairs and 
that can't be disabled... The alternative solution is to remove the kerning of each font with 
FontForge manually :D








 -------- Оригинално писмо --------

От: Owen Genat owen.genat@gmail.com

Относно: [libreoffice-users] Re: Question about kerning and opentype features (ligatures)

До: users@global.libreoffice.org

Изпратено на: Понеделник, 2014, Август 18 12:59:47 EEST


Ivan Ivanov wrote

> I hate kerning and I always disable it if there is such option. But the

> option in the most recent versions of LibreOffice does not work. I disable

> the "Pair Kerning" option, but kerning is still enabled. The last version

> without this bug (where you can disable kerning) is 4.0.6.2. All versions

> after this have this bug and kerning can't be disabled



Does it occur for all types of fonts? There is a known bug relating to OTF

fonts. The related enhancement (to allow disabling of kerning for OTF) is

 https://bugs.freedesktop.org/show_bug.cgi?id=66818.  Also note that GPOS

kerning for OTF has evidently never been implemented:

 https://bugs.freedesktop.org/show_bug.cgi?id=46055 





Ivan Ivanov wrote

> I hate ligatures, too. There are many fonts with ugly ligatures and I

> prefer seeing "f" and "i" instead of the ligature for example. In

> LibreOffice 4.0.6.2 ligatures are not enabled by default, but in 4.3 for

> example ligatures are automatic to form. I want to disable this, too.



I am not sure that automatic ligature substitution can be turned off.

Evidently some types of fonts have (during v4.0-4.1) not shown ligatures,

despite there being ligature support in the font:

 https://bugs.freedesktop.org/show_bug.cgi?id=66916  Under v4.2 I find that

ligature substitution is automatic and effective for both OTF and Graphite

fonts. Not what you want to hear I know.







-----

Best wishes, Owen.

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