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Re: displaying a backtrace in the shell

From: Ludovic Courtès
Subject: Re: displaying a backtrace in the shell
Date: Wed, 08 Aug 2007 09:23:42 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux)


Erica L Cooper <address@hidden> writes:

> which, if you run in interactive Guile, displays the backtrace without
> complaint.  however, when you execute this from the command line, it
> says,
> Exception during displaying of backtrace: wrong-type-arg

My guess is that when you run it from the command-line, debugging is
disabled by default (conversely, it is enabled by default at the REPL).
Thus, `(make-stack #t)' returns `#f', hence the `wrong-type-arg' later

For this to work, you need to explicitly enable debugging using
something like "(debug-enable 'debug)".

Hope this helps,

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