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From: Lars Magne Ingebrigtsen <larsi@gnus.org>
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Subject: Re: Patch: be verbose if POP3  setup is not ok
Date: 08 Sep 1998 21:38:20 +0200
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In-Reply-To: <jari.aalto@poboxes.com> (Jari Aalto+list.ding)'s message of "08 Sep 1998 19:08:52 +0300"
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<jari.aalto@poboxes.com> (Jari Aalto+list.ding) writes:

> I'm currently trying to get my 2 POP3 acocunts integrated with gnus
> and in the process I thought this would be nicer message to
> user than just an cryptic error.

[...]

> +		  ;; expand-file-name below breaks if we don't check this.
> +		  (unless (stringp nnmail-movemail-program)
> +		    (with-output-to-temp-buffer "*Gnus Error*"
> +		      (princ
> +		       (message
> +			(concat "Your nnmail-movemail-program must be string "
> +				"or callable lisp function. \nPlease check "
> +				"your setup. Value was [%s]")
> +			(prin1-to-string nnmail-movemail-program))))
> +		    (error "Gnus: Error, Check nnmail-movemail-program"))

There are a gazillion variables that can be strings, symbols, list or
numbers, and if I were to add error messages like these to them all,
Gnus would swell to several gazillion megabytes.

-- 
(domestic pets only, the antidote for overdose, milk.)
  larsi@gnus.org * Lars Magne Ingebrigtsen