Dear Andreas, Thank you for your code. I'll try it.
The other day, Wolfgang suggested me the same page in wiki. But, It looks a little bit complicate, so I use another simple method. Now, it is the time to look at it once more. Thanks again. best regards, Dalyoung ___________________________________________________________________________________ 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 ___________________________________________________________________________________
