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From: Simon Josefsson <jas@extundo.com>
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Subject: Re: problem with using mail-extract-address-components
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doug+2002-07-11-92f@bagley.org writes:

> Greetings,
>
> While reading an article in a group, I encountered a "Wrong type
> argument: integer-or-marker-p, nil" error. I traced the error
> signal down to mail-extract-address-components being called with
> questionable input in mm-decode. The problem was a from address of
> "%@&%", as in the following form:
>
>  (mail-extract-address-components "%@&%")
>
> Maybe all the calls to mail-extract-address-components should be
> wrapped in a condition-case or whatever would be appropriate for
> catching this error?
>
> (gnus-version)  -> "Oort Gnus v0.06"
> (emacs-version) -> "XEmacs 21.4 (patch 8) ..."

Upgrade mail-lib in XEmacs, I think I fixed the bug in mail-extr.el
recently.