Reminder:
Monday August 31st is NSCoder Chicago at the 4th Floor Michigan Ave.
Apple store 6:00 - 9:00 with drinking after. Hope to see you there.
Dates of interest:
August 31st 6:00 - 9:00: NSCoder Chicago Apple Store 4th floor
September 8th 7:00 - 8:00: CocoaHeads / CAWUG Apple St
Another solution is to copy the libcrypto.0.9.7.dylib from the 10.5
SDK into your project directory and link against that.
It works well.
Regards,
Thomas
On Aug 29, 2009, at 2:07 AM, Steven Degutis wrote:
The solution to this is pretty simple, don't link to libcrypto.
Instead, just #import
Make sure to also use the headers from 10.5 SDK if you choose this
solution.
Le 29 août 2009 à 10:59, Thomas Clement a écrit :
Another solution is to copy the libcrypto.0.9.7.dylib from the 10.5
SDK into your project directory and link against that.
It works well.
Regards,
Thomas
On Aug
Nick Zitzmann wrote:
So if you need to use libcrypto 0.9.7, you must use the Leopard or
Tiger SDKs. You can't use the Snow Leopard SDK and libcrypto unless
you want to make your software require Snow Leopard.
Isn't it generally the case that an application built against the 10.6
SDK is going
On Aug 29, 2009, at 11:13 AM, Carl Harris wrote:
Nick Zitzmann wrote:
So if you need to use libcrypto 0.9.7, you must use the Leopard or
Tiger SDKs. You can't use the Snow Leopard SDK and libcrypto unless
you want to make your software require Snow Leopard.
Isn't it generally the case that a
No, very much no. It's common to build against the 10.x SDK but set
the deployment target to 10.y (where y < x). This is how you take
advantage of new behavior while remaining binary compatible with older
versions.
--Kyle Sluder
___
Cocoa-dev mai
On Aug 29, 2009, at 1:59 AM, Thomas Clement wrote:
Another solution is to copy the libcrypto.0.9.7.dylib from the 10.5
SDK into your project directory and link against that.
Aren't the SDK dylibs just stubs for linking purposes?
--Kyle Sluder
___
Le 29 août 2009 à 11:27, Kyle Sluder a écrit :
On Aug 29, 2009, at 1:59 AM, Thomas Clement wrote:
Another solution is to copy the libcrypto.0.9.7.dylib from the 10.5
SDK into your project directory and link against that.
Aren't the SDK dylibs just stubs for linking purposes?
They are. B
Hi,
I am working on a custom view that consists of a column of several
NSTextViews. In between, there are graphics and some other stuff that
require special editing.
Therefore I cannot use a single NSTextView.
The NSTextView must adopt its height to the content. This works fine
using the
Hi all,
How to extract the "Artist" information from an song file?
Is there any method about it ? Any clues is helpful for me.
Thank you in advance!
James
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Please do not post admin requests or moder
I have some C++ files used in a Snow Leopard / Xcode (3.2) project,
that compiles and links in Xcode with no trouble, with the compiler
set to llvm-gcc-4.2. However, when I try to compile and link
something that uses those same files from the command line, directly
invoking llvm-gcc-4.2 a
2009/8/29 James :
> Hi all,
> How to extract the "Artist" information from an song file?
> Is there any method about it ? Any clues is helpful for me.
> Thank you in advance!
If it's an AAC file, you can use the QTMetaData* functions. If you're
looking to get it out of an mp3, you're unfortunatel
On Aug 28, 2009, at 5:32 PM, Roland King wrote:
Thank you Roland for your reply.
I think this is one of those unfortunate messages which comes out
before the dealloc method even runs, just entering the dealloc
method with registered observers logs it. It's possible it would be
better if
On 29 Aug 2009, at 06:43, David Riggle wrote:
When I compile my app on Snow Leopard and run it on Leopard, strncat
erroneously aborts with "detected buffer overflow".
How is this a Cocoa question? (Hint: it isn't, so you've sent your
question to the wrong mailing list.)
I think there was
On 29 Aug 2009, at 12:21, Jay Reynolds Freeman wrote:
Can anyone provide advice?
Yes. Ask your question on xcode-users, *not* cocoa-dev. It has
nothing to do with Cocoa and so it's off-topic for this list.
Kind regards,
Alastair.
--
http://alastairs-place.net
___
On Aug 29, 2009, at 2:29 AM, Graham Cox wrote:
Thank you Graham for your reply.
Hi Andreas,
There is a strong code smell here.
How does your observee know who its observers are?
Actually, it does not. My example code is an oversimplification to
show the actual issue. Often, things are mu
Le 29 août 2009 à 14:08, Andreas Grosam a écrit :
On Aug 29, 2009, at 2:29 AM, Graham Cox wrote:
Thank you Graham for your reply.
Hi Andreas,
There is a strong code smell here.
How does your observee know who its observers are?
Actually, it does not. My example code is an oversimplifica
After upgrading to snow leopard & Xcode 3.2, I've starting getting
this warning on NSLogs -
NSLog(@"Hello"); // 'Format not a string literal and no format arguments'
NSLog(@"Hello %@", name); // compiles fine
I must have some weird project setting somewhere since a new test
project didn't t
Well first off you're not really, really doing anything wrong, that
message is in the wrong place (in my opinion), it should only come up
when the NSObject dealloc is called if things haven't been unobserved.
There's a comment in this thread about this having been fixed,
hopefully it is.
The coordinate-system for a view starts with the lower left corner,
not at the upper left. There is command, that sets the coordinate
system to the upper left corner, but I can't find it right now. But I
guess, that the first info is what you need to know.
Reinhard
Am 29.08.2009 um 12:38 s
hello,
i'm using nsrunalertpanel successfully except if i will make another app active
and then make my own app active again it will display a duplicate panel even
though i have never yet acknowledged the original one. actually if i keep
switching back and forth between active apps it will con
On Aug 29, 2009, at 11:40 AM, Rick C. wrote:
i'm using nsrunalertpanel successfully except if i will make another
app active and then make my own app active again it will display a
duplicate panel even though i have never yet acknowledged the
original one. actually if i keep switching back
On Aug 28, 2009, at 11:13 PM, Chris Idou wrote:
If you have a universal binary, 32/64 and/or PPC, is there a way to
force it to run
one way or the other for testing purposes?
There is, but you probably shouldn't. A Universal binary needs to
have the tests run for all platforms,
Hallo Anders,
did you receive my message below, because that solves the problem. I
have checked, that in a testproject.
The explanation is: If you set a new max width/height its calculated
and drawn from the origin, which is the lower left edge of your view.
You find more details in the NS
On Aug 26, 2009, at 1:21 PM, Ken Thomases wrote:
On Aug 26, 2009, at 10:43 AM, Michael Ash wrote:
On Wed, Aug 26, 2009 at 5:42 AM, Ken Thomases
wrote:
On Aug 25, 2009, at 7:21 PM, Ross Carter wrote:
I haven't tried it, but this should work:
NSAttributedString* original = whatever;
On Aug 28, 2009, at 12:02 PM, Ben Lachman wrote:
My app, SousChef, uses the AppKit autocomplete functionality in a
bunch of places. Currently if a user types "So" they are presented
with a list of completions and the first actual completion ("Soup")
is used inline and selected so that thi
On Aug 28, 2009, at 7:07 PM, Steven Degutis wrote:
The solution to this is pretty simple, don't link to libcrypto.
Instead, just #import in your file and
use the
CC_ prefixed functions in your app, such as CC_MD5.
Another solution is to use CDSA, which Apple provides in the Security
fram
On Aug 29, 2009, at 11:46 AM, Ross Carter wrote:
Suppose an NSAttributedString comprises the string o + umlaut in
decomposed form, plus one attribute. Its length is 2, and the range
of an attribute is {0, 2}. The string and its attribute are archived
separately as xml data like this:
ö
NSF
On Aug 29, 2009, at 06:00, Roland King wrote:
Well first off you're not really, really doing anything wrong, that
message is in the wrong place (in my opinion), it should only come
up when the NSObject dealloc is called if things haven't been
unobserved. There's a comment in this thread abo
On Aug 29, 2009, at 05:36, Jonathan del Strother wrote:
After upgrading to snow leopard & Xcode 3.2, I've starting getting
this warning on NSLogs -
NSLog(@"Hello"); // 'Format not a string literal and no format
arguments'
NSLog(@"Hello %@", name); // compiles fine
I must have some wei
Hi Reinhard,
Thanks for helping.
I have just tried to flip the coordinate system of the custom view by
overriding the isFlipped method, and it did solve the problem.
Kind regards,
Anders Lassen
On Aug 29, 2009, at 6:13 PM, Reinhard Segeler wrote:
Hallo Anders,
did you receive my messag
Erg Consultant wrote:
Does anyone make a GUI version of bin2c for OS X?
This isn't a Cocoa question, so is off-topic for this list.
Maybe you can merge bin2c's source into HexFiend as a new Export or
Save As option. Or bundle bin2c's command-line executable into a
Platypus app.
Find He
Hello,
I want to use NSImage's built-in template images, but want to replace
the black color with different colors, such as gray or orange. I feel
like I'm missing something obvious, but I can't seem to figure this
out. Could someone point me in the right direction.
Thanks,
Mitch
No - I really am seeing NSLog(@"Hello") producing a warning. I did
find the culprit, though - OTHER_CFLAGS=-fno-constant-cfstrings. The
project is for a loadable bundle - I guess I need to dig around to
figure out if I can safely get rid of it...
On Sat, Aug 29, 2009 at 6:36 PM, Quincey
Morris w
On Aug 29, 2009, at 4:37 AM, Alastair Houghton wrote:
> Yes. Ask your question on xcode-users, *not* cocoa-dev. It has
nothing to do with Cocoa and so it's off-topic for this list.
Sincere apologies to Alastair and possibly to others, but I posted to
cocoa-dev because this issue has to do
On Aug 29, 2009, at 10:36 AM, Quincey Morris wrote:
On Aug 29, 2009, at 05:36, Jonathan del Strother wrote:
After upgrading to snow leopard & Xcode 3.2, I've starting getting
this warning on NSLogs -
NSLog(@"Hello"); // 'Format not a string literal and no format
arguments'
NSLog(@"Hello
As a possibly useful aid to understanding, I have seen what is very
likely a related problem while compiling with llvm-gcc-4.2 from the
command line; the problem there had to do with strict error checking
of places where the current formal declaration of a function such as
"fprintf" expects
On Aug 29, 2009, at 11:54, Peter Duniho wrote:
Or is it implied that the compiler is doing compile-time
verification of the format string when a literal is provided?
Sort of, but not exactly. The first parameter to NSLog is *really* a
format string, not just a string. If an arbitrary string
On Aug 29, 2009, at 1:54 PM, Peter Duniho wrote:
Am I reading the right documentation? On this page:
http://developer.apple.com/mac/library/releasenotes/Cocoa/Foundation.html
I see this text:
Foundation APIs which take string format arguments (APIs
such as initWithFormat:, NSLog(), etc)
On Aug 29, 2009, at 7:28 PM, Quincey Morris wrote:
On Aug 29, 2009, at 06:00, Roland King wrote:
Well first off you're not really, really doing anything wrong, that
message is in the wrong place (in my opinion), it should only come
up when the NSObject dealloc is called if things haven't b
Way back before Snow Leopard, I was able to test a localization by
right-clicking on my application, and "un-checking" all of the
languages except for the one I wanted to test.
Today, however, I see that portion of the "Get Info" window is
missing. What do folks suggest for testing localiz
On Aug 29, 2009, at 2:19 PM, Quincey Morris wrote:
On Aug 29, 2009, at 11:54, Peter Duniho wrote:
Or is it implied that the compiler is doing compile-time
verification of the format string when a literal is provided?
Sort of, but not exactly.
Actually, yes exactly.
So if you provide a st
On Aug 29, 2009, at 2:29 PM, Dylan McNamee wrote:
Way back before Snow Leopard, I was able to test a localization by
right-clicking on my application, and "un-checking" all of the
languages except for the one I wanted to test.
Today, however, I see that portion of the "Get Info" window is
Le 29 août 2009 à 21:29, Dylan McNamee a écrit :
Way back before Snow Leopard, I was able to test a localization by
right-clicking on my application, and "un-checking" all of the
languages except for the one I wanted to test.
Today, however, I see that portion of the "Get Info" window is
This is also a problem if the users can't set it on an app by app
basis easily - I know we have a number of users who have their
operating system set to one language, but choose to have several
specific applications running in English.
Gideon
On 30/08/2009, at 5:46 AM, Jean-Daniel Dupas w
From the Core Data Programming Guide:
"If you do not intend to use Core Data's undo functionality, you can
reduce your application's resource requirements by setting the
context’s undo manager to nil. This may be especially beneficial for
background worker threads..."
Well, I've got a bac
On Aug 29, 2009, at 12:26, Andreas Grosam wrote:
Just to be clear, the code is running on the iPhone, hence there is
no GC. Secondly, there is no issue with release or retain. If I
invoke release from within a dealloc in order to release a certain
object, I have to do it exactly the same wa
On Aug 29, 2009, at 12:31, Ken Thomases wrote:
No such thing is assumed. If you provide a string literal, the
compiler actual checks it and the arguments to make sure they're
consistent with each other.
I expressed myself badly. Because that check produces a different
warning, I was thin
Hi,
This may not be what you are looking for, but in Interface Builder, there
are a couple of ways to look at what views you have:
- Look at the various View Modes and drill into views, to see view
hierarchies
- Within a particular view, press "Shift" "Right-mouse" and you will see a
view hierarch
On Aug 29, 2009, at 13:01, Jerry Krinock wrote:
Apparently when -[NSDocument undoManager] sees that its undo manager
is nil (because I set it to nil), it says to itself, "Golly, we need
an undo manager here. So it creates one, sets it in the subclass -
[NSPersistentDocument setUndoManager:]
On Aug 29, 2009, at 1:22 PM, Ken Thomases wrote:
On Aug 29, 2009, at 11:46 AM, Ross Carter wrote:
Suppose an NSAttributedString comprises the string o + umlaut in
decomposed form, plus one attribute. Its length is 2, and the range
of an attribute is {0, 2}. The string and its attribute are
Hi,
In a Core Data-based app that works fine in 10.5.x, I now get an
exception as follows in 10.6 when opening a document. It targets
10.5, and the same exception occurs when rebuilding on 10.6 (still
targeting 10.5, but also when targeting 10.6).
I don't register or unregister any obser
I've been playing with KVC and KVO with my own setters and getters
(along with Controllers) to create virtual ivars. That is, there never
is any storage created for the variable and its value is calculated on
the fly when the getter is called. This seems to have some cool
potential, but it
Folks,
I have a Core Data application with two entities (relevant to this question)
with a to-many relationship between them. When I create a new record in
Entity 1, I would like to copy the to-many records from Entity 2 from that
last record created into the new record. I tried to execute a fetc
On Aug 29, 2009, at 3:24 PM, Quincey Morris wrote:
It's actually not clear (to me) whether the two warnings are
controlled by the same compiler options. AFAIK -Wno-format (which
used to be the default in the build setting) would turn off the type
mismatch warning, but I don't know whether i
On Aug 27, 2009, at 9:37 PM, Henry McGilton (Boulevardier) wrote:
drawAtPoint/drawInRect in NSString/NSAttributedString says...
"You should only invoke this method when an NSView object has focus."
"Don’t invoke this method while no NSView is focused."
When an image is focused, and you draw te
On Aug 29, 2009, at 3:48 PM, Ross Carter wrote:
On Aug 29, 2009, at 1:22 PM, Ken Thomases wrote:
On Aug 29, 2009, at 11:46 AM, Ross Carter wrote:
Suppose an NSAttributedString comprises the string o + umlaut in
decomposed form, plus one attribute. Its length is 2, and the
range of an attr
--Kyle Sluder
On Aug 29, 2009, at 1:48 PM, David Sinclair wrote:
In a Core Data-based app that works fine in 10.5.x, I now get an
exception as follows in 10.6 when opening a document. It targets
10.5, and the same exception occurs when rebuilding on 10.6 (still
targeting 10.5, but also
On Aug 29, 2009, at 1:49 PM, Todd Heberlein
wrote:
I've been playing with KVC and KVO with my own setters and getters
(along with Controllers) to create virtual ivars. That is, there
never is any storage created for the variable and its value is
calculated on the fly when the getter is c
On Aug 29, 2009, at 3:49 PM, Todd Heberlein wrote:
I've been playing with KVC and KVO with my own setters and getters
(along with Controllers) to create virtual ivars. That is, there
never is any storage created for the variable and its value is
calculated on the fly when the getter is call
On Aug 29, 2009, at 2:21 PM, Seth Willits wrote:
String drawing always happens relative to the view's orientation,
not the image's. If the view is flipped and you draw into an image,
then draw that image, the string will be upside down. That's the
reason I'm assuming they say not to do it.
If you can't set a value, don't provide a setter.
I see from another post I was conflating "ivars" with "properties".
With regards to the setters, I have some C++ libraries, and I was
thinking about having "property" wrappers in an Objective C object
doing setting and getting into values i
On Aug 29, 2009, at 14:35:23, Kyle Sluder wrote:
On Aug 29, 2009, at 1:48 PM, David Sinclair wrote:
In a Core Data-based app that works fine in 10.5.x, I now get an
exception as follows in 10.6 when opening a document. It targets
10.5, and the same exception occurs when rebuilding on 10.
I see from another post I was conflating "ivars" with "properties".
With regards to the setters, I have some C++ libraries, and I was
thinking about having "property" wrappers in an Objective C object
doing setting and getting into values in the C++ object.
So here is a slightly more detail
I have spent the last month try to solve a simple problem. I need to
get the managedObjectContext in a NSDocument based application. I
know how to get this in a non-document based application
-(NSManagedObjectContect *)managedObjectContext {
if (!managedObjectContext) {
mana
On Aug 29, 2009, at 15:59, Clayton Leitch wrote:
I have spent the last month try to solve a simple problem. I need
to get the managedObjectContext in a NSDocument based application.
I know how to get this in a non-document based application
-(NSManagedObjectContect *)managedObjectContext {
If you use NSPersistentDocument instead of NSDocument, it has all that
already built in for you.
Gideon
On 30/08/2009, at 8:59 AM, Clayton Leitch wrote:
I have spent the last month try to solve a simple problem. I need
to get the managedObjectContext in a NSDocument based application.
That's fine, as you've written it. There is nothing special about the
methods used to implement properties; they're just methods. Wherever
you choose to store the actual data that backs the property is
immaterial.
On Sat, Aug 29, 2009 at 3:39 PM, Todd Heberlein wrote:
>> I see from another post I
Are the standard alert icons (note, warning, and stop) available
through standard image names (like NSApplicationIcon)? They don't seem
to be.
--
Seth Willits
___
Cocoa-dev mailing list (Cocoa-dev@lists.apple.com)
Please do not post admin re
Well, I've got a background worker process which opens an
NSPersistenDocument. Since it has no "undo" capability, I want to set
it to nil as recommended. (I have other reasons for not wanting an
undo manager scurrying around.) But the document doesn't like having
nil undo manager. When I ask f
I have a Core Data entity that has a dateCreated and a dateModified -
both NSDates in the object files.
I'd like to construct a predicate that will retrieve all records where
a record's dateModified is greater than that record's dateCreated.
Its deceptively easy to setup something that looks like
I just created a fetch request template in my MOM that looked like:
SUBQUERY(platformInfos, $each, $each.platformName ==
$PLATFORM_NAME)@count == 0
I then looked up the template in the code and attempted to use it in
the
usual manner with:
fetchRequestFromTemplateWithName:substitutionVaria
On Aug 29, 2009, at 5:24 PM, Seth Willits wrote:
Are the standard alert icons (note, warning, and stop) available
through standard image names (like NSApplicationIcon)? They don't
seem to be.
They are on 10.6. See the AppKit release notes and NSImage.h. Don't
miss the addition of the sta
I have a question, or rather, I'm looking for advice, on the design of
an application. Essentially I'm wanting to write a labbook-type
application. My plan was to use core-data for the model. In the model
will be an Entry entity. Each entry will have a one-to-one
relationship to a Content entity.
On 29/08/2009, at 2:08 AM, sag lists wrote:
As a relatively new cocoa developer, one thing I struggle with is
determining on visual inspection how an app is constructed in terms
cocoa views. Some things are obvious like splitter views, the
toolbar, etc. But some are not. Does anyone know
In a Core Data-based app that works fine in 10.5.x, I now get an
exception as follows in 10.6 when opening a document. It targets
10.5, and the same exception occurs when rebuilding on 10.6 (still
targeting 10.5, but also when targeting 10.6).
I don't register or unregister any observers myself,
in the typical CoreData example, if I want to fetch all departments
whose employees have a salary higher than a specified value, I will
perform a fetch on the Department entity using a predicate with the
following format:
"ANY employees.salary < %@"
This is working fine.
Now I want to fetch all
Hi,
I have a completed app that calculates graph points x and y
coordinates. I want to present these on a graph that has an
acceptable "envelope" of coordinates.
I'm guessing that i need to learn how to use quartz to draw lines
pixel by pixel to represent this on a UIview. is there any
On Aug 29, 2009, at 6:24 PM, Seth Willits wrote:
Are the standard alert icons (note, warning, and stop) available
through standard image names (like NSApplicationIcon)? They don't
seem to be.
There are, and they're available through standard image names. But you
have to use IconRef, not
Hi,
I have an app that uses a TAB bar controller to launch "n" view
controllers through my main window.XIB. I wanted each of them to have
a nav bar with custom buttons and so I added a nav bar controller to
the XIB for each one. so the hierarchy in IB is
Tab bar controller
-> tab bar
-
For the record, I seem to have solved my original problem. It turns
out that Xcode comes with an llvm-g++ as well as llvm-gcc. Merely
changing the compiler used from
/Developer/usr/bin/llvm-gcc-4.2
to
/Developer/usr/bin/llvm-g++-4.2
makes everything happy. I did not find any docume
Hi,
anyone know how I can enable ./ disable a UItext field outside of IB.
I can do this as part of the XIB but I want to disable interaction on
a particular condition.
Also is there a keyboard property i can set to enable the caps lock
key (not the auto capitalization)
___
On Aug 30, 2009, at 1:28 AM, Quincey Morris wrote:
On Aug 29, 2009, at 06:00, Roland King wrote:
If I understand what's been said in this thread, Andreas *is* doing
something wrong. He's in good company, though, because the retain/
release mechanism has traditionally allowed many Cocoa deve
On 2009 Aug 29, at 13:41, Quincey Morris wrote:
AFAIK, the problem is that NSPersistentDocument overrides *some* of
NSDocument's undo-related methods, but not all, and calling the un-
overridden ones really messes things up -- you can end up with 2
undo managers, one in a NSDocument private
thanks I.S. sorry for my delay. actually i figured it out and sorry for lack
of info earlier. i had it in a delegate method that could be called more than
once. maybe it was lack of sleep? :-)
thanks again,
rick
From: I. Savant
To: Rick C.
Cc: cocoa de
On 30/08/2009, at 12:35 PM, Roland King wrote:
Now this I don't understand. If you enter your dealloc method with
observers registered on yourself and do have a *safe* mechanism of
ensuring they are completely removed before ending the dealloc
routine (or calling [ super dealloc ] ) I don'
On Aug 29, 2009, at 5:53 PM, Ben Trumbull wrote:
Encoding your data this way is pushing the boundaries of violating
MVC patterns by archiving UI information (NSTextView drawing
information) into your model (database). That obviously doesn't
work if the platform doesn't support NSTextView.
I have a category on NSImage that should do what you need:
- (NSImage *)tintedImageWithColor:(NSColor *)tint
{
NSSize size = [self size];
NSRect imageBounds = NSMakeRect(0, 0, size.width, size.height);
NSImage *copiedImage = [self copy];
[copiedImage loc
On Aug 30, 2009, at 1:28 AM, Quincey Morris wrote:
The second is that one of the behaviors he doesn't control --
unregistration of observers -- is not permitted during the 'dealloc'
of the observed object, and must be done before that. That's what
the log message is trying to say. The bug
On 30-Aug-2009, at 11:24, Graham Cox wrote:
I believe the issue lies in the fact that an object that has KVO
observers registered on it is not the object you think it is. It's
in fact a sort of proxy for the "real" object that has been swizzled
(you can see this in the debugger as
Ben;
Thanks for taking the time to respond.
I believe that I was blinded by a build issue in my allegation that
the Predicate Builder mechanism was not giving correct results.
This seems to be working fine now.
I'm glad you have expressed the fragility issue on equivalence - I'll
remember t
>If it's an AAC file, you can use the QTMetaData* functions. If you're
>looking to get it out of an mp3, you're unfortunately stuck with
>either parsing it yourself (see the id3 specs) or using id3lib.
Thank you for your help.
In my application, there are three kinds of audio files--AAC, mp3
On Aug 29, 2009, at 20:43, Roland King wrote:
Here are the release notes on this by the way. I note they only talk
about running in non-GC mode. However in both cases mentioned an
object has unregistered as an observer of an observed object during
the dealloc of that observed object and the
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