Multiple Firefox instances close as one

[Karl Anliot]

On Fri, Oct 12, 2012 at 11:35 AM, Peter Matulis <peter at ubuntu.com> wrote:
> Hi gang.  On Lubuntu 12.10 (I'm quite certain this does not happen on
> 12.04), when multiple instances of Firefox are running, if one is closed
> they all close.  This does not happen on Ubuntu 12.10.  I'm looking for

Do you mean File/Quit?  Otherwise, yes, file a bug.