On Fri, Jun 9, 2017 at 10:26 AM Kaushal Modi <kaushal.modi@gmail.com> wrote:

> This one should be easy to debug since
>>
>>   (org-export-file-uri "/myself@some.where:papers/last.pdf")
>>
>> is easy to reproduce. Could you investigate where the spurious "/" comes
>> from?
>>
>
> Will do.
>

This seems to be related to a tramp file notation change on emacs master. I
don't use tramp, but I heard about it on emacs-devel.

Here is a test expression:

    (find-file-name-handler "/myself@some.where:papers/last.pdf"
'file-remote-p)

On emacs 25.2, that returns tramp-file-name-handler.
On emacs master, that returns nil.

So, on emacs 25.2, in org-export-file-uri, the (org-file-remote-p filename)
case evaluates to true. Whereas, on emacs master, the execution falls into
the default (t ..) case.

.. and thus the spurious "/".

Copying the tramp dev Michael Albinus on this for help.
@Michael How should the above find-file-name-handler arg change to support
that test file path?

Thanks.
-- 

Kaushal Modi