On May 21, 2015 04:32, "Rasmus" <rasmus@gmx.us> wrote:
>
> Matt Price <moptop99@gmail.com> writes:
>
> >> You are on Gnome, rt?  I think there is a long standing "bug" in
> >> gvfs-open (which is called by xdg-open).
> >>
> >> See the following:
> >> http://lists.gnu.org/archive/html/emacs-devel/2009-07/msg00279.html
> >> https://bugzilla.gnome.org/show_bug.cgi?id=652262
> >>
> >> I came across this a long time ago trying to investigate why xdg-open
> >> didn't work when running asynchronously like your example.
> >>
> >>   http://thread.gmane.org/gmane.emacs.help/93430
>
> > I think those bug reports describe the problem precisely.  I am also on
> > gnome and have much the same problem.
>
> 2 minutes research suggest that I cannot tell xdg-open to use another
> backend other than through environment variables, viz. BROWSER, DE,
> DESKTOP_SESSION.  Unfortunately, I was not able to make this work by just
> setting the DESKTOP_SESSION in either the shell starting Emacs or via
> setenv.
>
> So I guess on could use an xdg-open alternative or hardcode programs in
> mailcap...

Did you try this:

 (setcdr (assq 'system org-file-apps-defaults-gnu ) '(call-process
"xdg-open" nil 0 nil file))

That works for me.

>
> Rasmus
>
> --
> A page of history is worth a volume of logic
>
>