GNU bug report logs - #22684
24.5; Gnus seems not to understand wildcard mime types in mailcap files.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ben Bacarisse <ben.usenet <at> bsb.me.uk>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.5;
 Gnus seems not to understand wildcard mime types in mailcap files.
Date: Mon, 15 Feb 2016 16:21:20 +0000

With no ~/.mailcap file:

1. Start message mode

2. Eval (mailcap-parse-mailcaps)

3. Eval (mailcap-mime-info "video/quicktime")

4. Note what the view handler is (it's mplayer on mys system).  This
   most likely comes from comes from /etc/mailcap.

5. Create a ~/.mailcap file with a line

   video/*; totem %s

6. Either force a re-parse with (mailcap-parse-mailcaps nil t) or
   restart emacs -Q and do steps 1 and 2 again.

7. Eval (mailcap-mime-info "video/quicktime").  This will be unchanged
   but I think the local setting should take precedence.  Other programs
   (run-mailcap, mutt, mhshow) certainly now use totem rather than
   mplayer.

8. Change ~/.mailcap to have a non-wildcard type:

   video/quicktime; totem %s

9. Repeat 6 and 7 and you see the user's mailcap choice of handler as
   I'd expect. 



In GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.16.6)
 of 2015-09-17 on lgw01-52, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.11702000
System Description:	Ubuntu 15.10

Configured using:
 `configure --build x86_64-linux-gnu --prefix=/usr
 --sharedstatedir=/var/lib --libexecdir=/usr/lib
 --localstatedir=/var/lib --infodir=/usr/share/info
 --mandir=/usr/share/man --with-pop=yes
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 --build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
 --libexecdir=/usr/lib --localstatedir=/var/lib
 --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
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Important settings:
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Major mode: Article

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Recent messages:
     ==> /home/ben/Mail/outbo...ben/Mail/outbox/3510
No more unseen articles
No more unread articles
nnmhraw: request-article id=3508 g=outbox s="" b=#<buffer *Article nnmhraw:outbox*>
nnmhraw: mhpath +outbox 3508
     ==> /home/ben/Mail/outbox/3508
Auto-saving...
Commands: d, s, x, u; f, o, 1, 2, m, v; ~, %; q to quit; ? for help.
Making completion list...
call-interactively: End of buffer [3 times]

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Memory information:
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-- 
Ben.

Message #8 received at 22684 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Ben Bacarisse <ben.usenet <at> bsb.me.uk>
Cc: 22684 <at> debbugs.gnu.org
Subject: Re: bug#22684: 24.5;
 Gnus seems not to understand wildcard mime types in mailcap files.
Date: Thu, 12 Apr 2018 18:26:46 +0200

Ben Bacarisse <ben.usenet <at> bsb.me.uk> writes:

> With no ~/.mailcap file:
>
> 1. Start message mode
>
> 2. Eval (mailcap-parse-mailcaps)
>
> 3. Eval (mailcap-mime-info "video/quicktime")
>
> 4. Note what the view handler is (it's mplayer on mys system).  This
>    most likely comes from comes from /etc/mailcap.
>
> 5. Create a ~/.mailcap file with a line
>
>    video/*; totem %s
>
> 6. Either force a re-parse with (mailcap-parse-mailcaps nil t) or
>    restart emacs -Q and do steps 1 and 2 again.
>
> 7. Eval (mailcap-mime-info "video/quicktime").  This will be unchanged
>    but I think the local setting should take precedence.  Other programs
>    (run-mailcap, mutt, mhshow) certainly now use totem rather than
>    mplayer.

mailcap.el chooses the most specific entry, no matter what the order of
the entries are.  So if you have a video/quicktime somewhere, you can't
override that by just saying "video/*" in mailcap.el.  I think that's a
pretty odd way of doing things, but it's been that way since, well,
forever, so it's not exactly a bug...  

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #15 received at 22684 <at> debbugs.gnu.org (full text, mbox):

From: Ben Bacarisse <ben.usenet <at> bsb.me.uk>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 22684 <at> debbugs.gnu.org, Ben Bacarisse <ben.usenet <at> bsb.me.uk>
Subject: Re: bug#22684: 24.5;
 Gnus seems not to understand wildcard mime types in mailcap files.
Date: Thu, 12 Apr 2018 17:42:22 +0100

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> mailcap.el chooses the most specific entry, no matter what the order of
> the entries are.  So if you have a video/quicktime somewhere, you can't
> override that by just saying "video/*" in mailcap.el.  I think that's a
> pretty odd way of doing things, but it's been that way since, well,
> forever, so it's not exactly a bug...

Thank you.  I should have thought of that.  It makes choosing your own
handler fiddly, but at least I know what's going on.  Thanks again,

-- 
Ben.

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