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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: How to highlight the offending line of code with edebug
Date: Fri, 23 Dec 2022 09:20:04 +0200
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To: Davin Pearson <davin.pearson@gmail.com>
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 (message from Davin Pearson on Fri, 23 Dec 2022 10:13:33 +1300)
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> From: Davin Pearson <davin.pearson@gmail.com>
> Date: Fri, 23 Dec 2022 10:13:33 +1300
> 
> When I write the following code:
> 
> (progn
>   (setq edebug-on-error t)
>   (setq edebug-all-defs t))
> 
> (defun foo ()
>   tomcat
>   )
> (foo)
> 
> How do I invoke the edebug debugger when you get an error:

I don't think you can.  Edebug requires that you instrument the
function(s) you want to debug in advance.