Hallo, I have it found!
In chapter 4.1.1.10 of the luatex reference one can read: The argument name is a bit special in this case. Its form is <base res>dpi/<fontname>.<actual res>pk Wolfgang ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________