[NTG-context] Issue with missing kerns when using fallback family(or KeterYG font)

Joseph Canedo josephcanedo at gmail.com
Sun Dec 30 19:05:34 CET 2018


Forgot to write, thanks a lot BTW.

De : Hans Hagen
Envoyé le :dimanche 30 décembre 2018 13:18
À : mailing list for ConTeXt users; Joseph Canedo
Objet :Re: [NTG-context] Issue with missing kerns when using fallback family(or KeterYG font)

On 12/30/2018 12:06 PM, Joseph Canedo wrote:
> Dear list,
> 
> Given the Following MWE, I notice that with latest beta (does not seem 
> to happen before) kerns are not applied in paragraph in which there are 
> some hebrew letters. This only affects text after that hebrew letters up 
> to end of paragraph.
> 
> I use 2 fonts in sample : EBGaramond and KeterYG (can be found in 
> various places).
> 
> Thanks for advising
> 
> Best regards
> 
> Joseph
> 
> \showfontkerns
> 
> \definefontfeature[base][mode=node, kern=yes, script=latn, trep=yes]
> 
> \definefontfeature[hebrew][default][mode=node, lang=heb, script=hebr]
> 
> \definefallbackfamily[mainfont][serif][KeterYG][preset=range:hebrew, 
> scale=1.0, features=hebrew]
> 
> \definefontfamily[mainfont][serif][EBGaramond][features=base]
> 
> \setupbodyfont[mainfont, 9pt]
> 
> \def\He{\hebrewHe}
> 
> \def\Tav{\hebrewTav}
> 
> \def\Vav{\hebrewVav}
> 
> \starttext
> 
> VA c'est {\setupalign[r2l]\Tav\He\Vav} VA c'est % there is no kern 
> between latest V and A
> 
> VA c'est. % kern as expected
> 
> \stoptext
in font-ots.lua you can find

     local lefttoright  = 0
     local righttoleft  = 1

the second line misses a 't'

can you test with fixing that

(i'm cleaning up a bit of directional code and upcoming betas might have 
more of that cleanup)

Hans

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