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From: Simon Josefsson <jas@extundo.com>
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Subject: Re: iso-8859-2 characters are broken in forwarded messages.
Date: Fri, 17 Oct 2003 23:40:39 +0200
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Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> Simon Josefsson <jas@extundo.com> writes:
>
>> ** The default for message-forward-show-mml changed to nil.
>>
>> The reason is that decoding MIME, showing MML, and later re-encode the
>> MIME does not work properly for, e.g., PGP/MIME signed messages.
>
> Why doesn't it work properly for PGP/MIME signed messages?

PGP/MIME compute hashes over the MIME headers.  If the headers change,
which is quite likely during MIME->MML->MIME, the signature is
invalid.