bug#9328: 24.0.50; `browse-url-fireforx' creates 2 identical tabs

[Eli Zaretskii]

> From: nyc4bos@aol.com
> Date: Thu, 18 Aug 2011 22:34:00 -0400
> 
> 
> When using `browse-url-firefox', it creates 2 identical tabs.
> 
> To reproduce:
> 
> 1. emacs -q
> 2. Evaluate in *sctatch* buffer:
> 
> (setq browse-url-browser-function 'browse-url-firefox
>       browse-url-new-window-flag  t
>       browse-url-firefox-new-window-is-tab t)
> 
> 3. Make sure the Firefox executable is in the `exec-path':
> 
> (add-to-list 'exec-path "C:/Program Files/Mozilla/Firefox")
> 
> 4. Call `browse-url-firefox' by evaluating:
> 
> (browse-url-firefox "http://www.gnu.org";)
> 
> Emacs will then show 2 identical Firefox tabs instead of only one.

Isn't this the same problem as described here?

  https://lists.gnu.org/archive/html/emacs-devel/2008-01/msg00392.html

AFAIR, that thread concluded that this is specific to the Windows
version of Firefox.