[NTG-context] kerning with buggy libertine

Hans Hagen pragma at wxs.nl
Mon Aug 5 12:33:57 CEST 2013


On 8/4/2013 3:43 PM, Philipp Gesang wrote:
> Hi Hans,
>
> this is a bug report thanks to Khaled:
>
>    http://tex.stackexchange.com/a/126650/14066
>
> In short: the font loader applies the kerning of libertine
> version 5.3.0 even though this appears to be broken in the font.
> Context translation of the example:
>
>    \definefontfeature [kerning] [mode=node,smcp=yes,kern=yes]
>    \definefont [libertineserifsmallcaps] [file:LinLibertine_R.otf*kerning]
>    \definefont [libertinesanssmallcaps]  [file:LinBiolinum_R.otf*kerning]
>
>    \def\demotext{Vacillate Vaccine Vapour Vanish Va...}
>
>    \starttext
>      {\libertineserifsmallcaps \demotext}\par
>      {\libertinesanssmallcaps  \demotext}\par
>    \stoptext
>
> (Doesn’t occur in base mode.) The technical details are in the
> thread Khaled references.

     \showotfcomposition{file:LinLibertine_R.otf*kerning}{+1}{Va} \page
     \showotfcomposition{file:LinBiolinum_R.otf*kerning} {+1}{Va} \page

You need to be more explicit (which font, where to download the 
problematic one, etc ... i downloaded the 5.3 version - i think - of 
ll). In what sense is it broken in the font?

Hans


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