In Chat, when you hover text in the window it shows on the status bar:

[date time] [email protected]/

When you hover a URL or nick, it shows that information on the status bar.

At some point fairly recently, the former status bar information, [date time], stopped displaying.
The latter status bar information continues to display.

This occurs in my primary SeaMonkey 2.0 Profile, circa 9/24/2009, & I'm now running the current Trunk in that Profile.

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In a new Profile, I do not have the same issue.

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In diagnosing, I create a new empty Profile, & only copy over my existing /chatzilla/ directory.
Open new Profile, cZ working as expected.
Exit & I see a newly created /chatzilla.org/ directory (in the Profile).

No clue on that, & have not been able to duplicate.

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Further diagnosing turns to extension conflict.
Start copying extensions over 1 at a time, & testing.
cZ works, works, works, works ... broken.

Look to see what extension it is that broke it, & it is Chatzilla !?

Now how does cZ break cZ when if I just copied it over, how was it even running before?

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SeaMonkey 2.x install, installs cZ into SeaMonkey installation directory.
(Where does SeaMonkey 1.x install cZ into?  Thinking must also be installation directory?  In
SeaMonkey 1, there was no concept of a Profile based /extensions/ directory.)

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At some point, quite a while back, I must have been running cZ 0985, notified of an update
& rather then update directly, I downloaded /chatzilla-0.9.86-mz+fx+sm.xpi/.  When I
installed same, it must have (& I can confirm that it did) install into my /Profile/
directory.  That was around the end of 12/2009.

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Seemingly, since that time, I have had two cZ's, seemingly not causing any problem, until
recently, with the disappears of [date time] information display on the statusbar.

One cZ in SeaMonkey's installation/extensions directory.  One in my Profile/extensions
directory.

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Would seem that for SeaMonkey, a downloaded cZ .xpi, should ... not sure?  Only
install globally, into the SeaMonkey installation directory?  Or should check to see
if there is an existing version there, & if so, then only install there.  If not existing,
suppose a Profile install could be OK.  But then what happens if you download & install
a new SeaMonkey & this time do choose to install cZ.  (I'm assuming cZ is de-selectable
during a custom install.)  Then the installer needs to check - for existing Profiles, &
instances of cZ there, & figure what to do with that? ...

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cZ is treated differently (which I /realized/ today) & is different then Mail/News,
Composer, in that it is an extension & can be added/removed through about:addons. (& is
disabled in -safe-mode too, heh).