Well if the text width is 0pt it will only break once, no? I begin to believe that in plain TeX ^^^^200d is treated just like any other character, so the problem lies not in XeTeX, but in polyglossia+fontspec somewhere there is some special treatment of ^^^^200d so that my LaTeX code doesn't work.
I have opened an issue on the polyglossia github… > Le 25 mars 2021 à 12:18, Bruno Le Floch <blfla...@gmail.com> a écrit : > > Pushing some more in this direction, my code below (with Amiri-Regular.ttf > being > in the same directory) hyphenates the second and third "blabla" (consistent > with > Yannis' reminder that the first word is not hyphenated) but only hyphenates > in a > single place (the first one) in the sequence of ^^^^xyzt afterwards. <http://www.imt-atlantique.fr/> Yannis HARALAMBOUS Professor Computer Science Department UMR CNRS 6285 Lab-STICC <http://perso.telecom-bretagne.eu/yannisharalambous/> <https://twitter.com/y_haralambous> <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/> — Vous cherchez trop à comprendre, c'est un grave défaut. — J'ai déjà entendu cette phrase. — Vous l'avez écrite. (Jean Cocteau)
