Could you add the following two lines to the start of your file and check for "Missing character" messages?
\tracingonline 1 \tracinglostchars 2 On 3/25/21 11:22 AM, Yannis Haralambous wrote: > When I run the same file with Amiri: > > % !TeX Program=Ini-XeTeX > > \catcode `\ = 10 > \catcode `\ = 10 > \catcode `\{ = 1 > \catcode `\} = 2 > \catcode `\^ = 7 > \font\tenrm="Amiri-Regular.ttf" > \tenrm > > \lccode "200D = "200D > \patterns {^^^^200d1^^^^200d} > > \def \showhyphens > { > \setbox 0 = \vbox > { > \parfillskip = 0 pt > \hsize = \dimen 10 > \tenrm > \pretolerance = -1 > \tolerance = -1 > \hbadness = 0 > \showboxdepth = 0 \ #1 > } > } > > \lccode "200D = "200D > \catcode "200D = 11 > bla^^^^200d^^^^200dbla > \showhyphens {bla^^^^200d^^^^200dbla} > > \end > > I get three pages, one with blabla, one with bla and a box, and another with > bla. > Maybe \showhyphens is not correctly defined in the code above? > >> Le 25 mars 2021 à 11:20, Philip Taylor <p.tay...@hellenic-institute.uk >> <mailto:p.tay...@hellenic-institute.uk>> a écrit : >> >> Philip Taylor wrote: >> >>> And I see no significant font using Amiri — >> >> "no significant /*difference */...". > > IMT Atlantique <http://www.imt-atlantique.fr> > *Yannis HARALAMBOUS* > Professor > Computer Science Department > UMR CNRS 6285 Lab-STICC > Site web IMT Atlantique > <http://perso.telecom-bretagne.eu/yannisharalambous/>Twitter IMT Atlantique > <https://twitter.com/y_haralambous>LinkedIn IMT Atlantique > <https://www.linkedin.com/in/yannis-haralambous-5529073?trk=hp-identity-name> > Technopôle Brest-Iroise CS 83818 > 29238 Brest Cedex 3, France > Une école de l'IMT <http://www.imt.fr> > > /Und nach einer kleinen Stille fügte Sie hinzu: > Jeder Weg, der dorthin führt, war am Ende der richtige./ (Michael Ende) > >