Hi Hans, something is wrong with the \mathprime definition in math-pln.mkiv. The compilation of
\starttext $f'(x)$ \stoptext Stopps with: \dodomathprime ->\normalprime \futurelet \nexttoken \dododomathprime Regards Andreas ___________________________________________________________________________________ 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 ___________________________________________________________________________________