On Wed, Apr 5, 2017 at 10:15 AM, Ulrike Fischer <ne...@nililand.de> wrote:
> \starttext
>
> \font\test={file:linlibertine_r.otf:+frac}
> \test 1/2 3/4 5/6 7/8 9/10 11/12 31415/27182 1000/1000000
> \stoptext
>
> gives as output
>
> ½ 3¾ 5⅚ 7⅜ 9/10 1⅟12 31415/27182 1000/1000000
\usetypescriptfile[libertine]
\setupbodyfont[libertine,12pt]
\definefontfeature[frac][frac=yes]
\starttext
{\addff{frac} 1/2 3/4 5/6 7/8 9/10 11/12 31415/27182 1000/1000000}
\stoptext
if you see
fonts > otf chain > feature 'frac', type
'gsub_contextchain', chain lookup 's_s_7': is not yet supported (1)
then ... it need to be supported.
( I have a local patch (by Hnas) that gives
¹⁄₂ ³⁄₄ ⁵⁄₆ ⁷⁄₈ ⁹⁄₁₀ ¹¹⁄₁₂ ³¹⁴¹⁵⁄₂₇₁₈₂ ¹⁰⁰⁰⁄₁₀₀₀₀₀₀
with the otf fonts from
http://www.ctan.org/tex-archive/fonts/libertine
)
--
luigi
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