I am not sure if this is a question for Cocoa-dev or for Xcode.

I just started playing around with iOS 4 and Xcode 4.  Learning the ropes of 
the new Xcode I see a difference in how the project templates are used to 
create a simple Cocoa window app in iOS versus Mac OS X.

With iOS, the app delegate handler code .h file does not declare the window 
pointer variable which I see is prefixed with an underscore as in _window.

With Mac OS X, the app delegate handler .ht file does indeed create an instance 
variable for window and it does not have the prepended underscore.

Can someone describe why this was done (differently) if there is a purpose to 
this?  Where is the _window instance variable created?

Thanks,
phil_______________________________________________

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