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From: Jesper Harder <harder@myrealbox.com>
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Subject: Re: Disable mailcap support
Date: Fri, 03 Oct 2003 00:25:55 +0200
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Reiner Steib <4.uce.03.r.s@nurfuerspam.de> writes:

> On Wed, Oct 01 2003, Jesper Harder wrote:
>
>> I think I agree.  But I don't understand why there are external
>> viewers in `mailcap-mime-data' in the first place.  
>
> It seems (from the ChangeLog entries for `mailcap-mime-data') that
> most entries are quite old.

mailcap.el is originally from w3 -- I think those entries were already
there when it was imported to Gnus.

> (Just a thought...)  We could split the data as follows:
> - defcustom mailcap-mime-data-internal (Lisp, PGP, message/* and other
>   internal stuff?)
> - defvar mailcap-mime-data-external (build this from mailcap files)
> - defvar mailcap-mime-data-external-fallback
>
> The default should be mailcap-mime-data = mailcap-mime-data-internal +
> mailcap-mime-data-external.  The user should be able to add the
> fallback entries `mailcap-mime-data-external-fallback' with, say
> (mailcap-add-fallback).

I'm not sure I get the purpose of the fallback entries.  What is the
difference between `mailcap-add' and `mailcap-add-fallback'?