[plt-scheme] Macro Stepper problem

Fixed in SVN. Thanks for the bug report!

For those using the nightly builds, the bug can mostly be avoided by
turning off the option "One term at a time" in the "Extra options"
menu. The next nightly build will include the bug fix.

Ryan

--- jos koot <jos.koot at telefonica.net> wrote:

> Ho
> The Macro Stepper of DrScheme, version 369.8-svn2mar2007 [3m]
> produces the following error:
> 
> 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>)
> 
>  === context ===
> c:\program
> files\plt-full-369.8\collects\macro-debugger\view\gui.ss:513:10:
> update:show-prestep method in macro-stepper-widget%
> c:\program
> files\plt-full-369.8\collects\macro-debugger\view\gui.ss:564:10:
> update method in macro-stepper-widget%
> 
> etc.
> 
> 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.
> 
> Best wishes, Jos Koot
> 
> (((((lambda(x)((((((((x x)x)x)x)x)x)x)x))
>     (lambda(x)(lambda(y)(x(x y)))))
>    (lambda(x)(x)x))
>   (lambda()(printf "Greetings, Jos~n"))))>
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