<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.6000.16414" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV>Ho</DIV> <DIV>The Macro Stepper of DrScheme, version 369.8-svn2mar2007 [3m] produces the following error:</DIV> <DIV> </DIV> <DIV>procedure insert-syntax/redex method in macro-stepper-widget%: expects 5 arguments, given 4: #2(struct:object:macro-stepper-widget% ...) #<syntax:1:0> (#<syntax:1:0>) (#<syntax:1:1>)</DIV> <DIV> </DIV> <DIV> === context ===<BR>c:\program files\plt-full-369.8\collects\macro-debugger\view\gui.ss:513:10: update:show-prestep method in macro-stepper-widget%<BR>c:\program files\plt-full-369.8\collects\macro-debugger\view\gui.ss:564:10: update method in macro-stepper-widget%</DIV> <DIV> </DIV> <DIV>etc.</DIV> <DIV> </DIV> <DIV>Looking into gui.ss it seems to me that procedure insert-syntax/redex is called from a number of lines with inconsistent numbers of arguments.</DIV> <DIV> </DIV> <DIV>Best wishes, Jos Koot<BR></DIV> <DIV>(((((lambda(x)((((((((x x)x)x)x)x)x)x)x))<BR>    (lambda(x)(lambda(y)(x(x y)))))<BR>   (lambda(x)(x)x))<BR>  (lambda()(printf "Greetings, Jos~n"))))</DIV></BODY></HTML>