bug#14954: 24.3.50; eww doesn't not use browse-url-xdg-open properly?

[Jambunathan K]

Lars Magne Ingebrigtsen <larsi@gnus.org> writes:

> Jambunathan K <kjambunathan@gmail.com> writes:
>
>> 1. Put cursor on inside the URL below.
>>
>>     http://thread.gmane.org/47B4E3B2.3050402@gmail.com
>>
>> 1. M-x browse-url-xdg-open or M-x browse-url or Left mouse click
>>
>>    See firefox getting launched.
>>
>> 2. M-x eww-browse-with-external-browser
>>
>>    See following backtrace.
>
> `eww-browse-with-external-browser' is a command only usable in eww mode
> buffers, so I don't think that's a bug...

I just did

    M-x eww-browse-with-external-browser

in a Message mode buffer and I see this

    browse-url-xdg-open: Wrong type argument: stringp, nil

As a layman, it is difficult for me to understand what that means...

Anyways...