I have to agree to Andreas... i just updated to the actual beta (for the math examples). Now mtxrun answers with following statement:
...text/tex/texmf-context/tex/context/base/font-otp.lua:512: attempt to call field 'register' (a nil value) ___________________________________________________________________________________ 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 ___________________________________________________________________________________