() Lars Magne Ingebrigtsen <la...@gnus.org>
() Thu, 03 Nov 2011 22:17:21 +0100
moabi2000 <moabi2...@gmail.com> writes:
> I tracked this down to line 94 of mailcap.el associates gnumeric with
> vnd.ms-excel files.
>
> ("vnd\\.ms-excel"
> (viewer . "gnumeric %s")
> (test . (getenv "DISPLAY"))
> (type . "application/vnd.ms-excel"))
>
> Replacing gnumeric with libreoffice and doing make clean && make had
> me on my way.
>
> So there seem to be significant issues in gnus parsing of mailcap
> files.
So basically, the built-in alist in mailcap.el seems to override your
.mailcap file?
I'm unable to reproduce this. If I put something in my .mailcap file,
start Emacs, and then try to view something, the entries from the
.mailcap file ends up first in my `mailcap-mime-data' variable.
The order in ‘mailcap-mime-data’ is only relevant if there are no
wildcards or Lisp-handled viewer candidates. This is because when
those are present, they are de-prioritized as a result of:
(setq passed (sort passed 'mailcap-viewer-lessp))
You can reproduce the problem by adding something like:
image/*; xloadimage -shrink %s
to ~/.mailcap and restarting. For example, doing just that,
on my computer:
(mailcap-mime-info "image/jpeg")
=> "/usr/bin/xloadimage '%s' "
which is from /etc/mailcap, i believe. One solution is to expose the
"lessp" arg to the ‘sort’ call as a variable, so users can specify a
function that causes wildcard "*" to mean override instead of default
(as it is currently). This is more upward compatible than the
alternative -- adding a variable to disable sorting entirely -- since
the MIME support infrastructure in Debian (and maybe others) now
includes a user-specified "priority" option (man "update-mime").
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