That's bad. It seems, I forgot to add the fallbacks properly. I will reach out to the designer to add those chars.
On Fri, Mar 12, 2021 at 12:32 PM Hans Hagen <[email protected]> wrote: > On 3/11/2021 2:05 AM, Mohammad Hossein Bateni wrote: > > Hi, > > > > Since most fonts do not have the standard tex ligatures built in, I tend > > to add them when I load the fonts. Once in a while, I run into fonts > > where this does not work. > > > > See the attached tex/pdf files. I basically load the font as follows: > > > > \definefontfeature[tf][arabic][tlig=yes] > > \definedfont[dejavusansmono*tf] > > > > This works fine for DejaVuSansMono and for one Farsi font I use > > ( > https://github.com/rastikerdar/vazir-font/blob/master/dist/Vazir-Regular.ttf > > < > https://github.com/rastikerdar/vazir-font/blob/master/dist/Vazir-Regular.ttf>) > > > but not for this other Farsi font > > ( > https://github.com/aminabedi68/Mikhak/blob/master/Font/ttf/Mikhak-Medium.ttf > > < > https://github.com/aminabedi68/Mikhak/blob/master/Font/ttf/Mikhak-Medium.ttf>). > > > Perhaps this is because the last font is not standard, but > > TrueType/OpenType standard is sometimes up for interpretation. > > > > I see two strange symptoms here: > > > > \showotfcomposition displays the tlig feature differently for the last > > font. It appears in the "extra" list, not in "basic". Why is that? > > What does this mean anyway? > > The font doesn't have endash and emdash so there is nothing to construct > from the double - > > \starttext > \definedfont[file:Mikhak-Medium.ttf*default] foo--bar > [\char"2013] > [\char"2014] > \stoptext > > Just ask the author to add these characters and you're fine. > > Hans > > ----------------------------------------------------------------- > Hans Hagen | PRAGMA ADE > Ridderstraat 27 | 8061 GH Hasselt | The Netherlands > tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl > ----------------------------------------------------------------- >
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