In the words of a great man: "This ia a bug previously reported":
http://www.jsoftware.com/jwiki/System/Interpreter/Bugs#head-f31d647727ff431e325ab4e45edbaa612803e2ba The work around is to avoid the special names x y u v m n . If they have high mnemonic value, you can use their uppercase counterparts without trouble. -Dan ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
