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thanks! seem that this is what i was searching.
Sorry for the stupid question but in my app we don't use
the standard libraries...I simply ignore this
part of the language...MEA CULPA

ciao
Alberto

> -----Original Message-----
> From: owner-lua-l@tecgraf.puc-rio.br
> [mailto:owner-lua-l@tecgraf.puc-rio.br]On Behalf Of Luiz Henrique de
> Figueiredo
> Sent: Wednesday, January 23, 2002 2:34 PM
> To: Multiple recipients of list
> Subject: Re: DUMPING THE CALL STACK
>
>
> >	Is there any way to dump the lua "call stack" when an error occur?
>
> The IO library already does that. Or am I missing something?
> If you do not use the IO library, you can always copy the code from there:
> the function is errorfb and you have to register it as "_ERRORMESSAGE".
> --lhf
>