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I have Xcode 4.2 installed and had documentation updated
However clicking on keyword like strong provides no doc references
I feel like i am missing something still.
Please advise.
Everything is fine, there’s nothing missing. Quick Help is not provided for compiler directives and built-in keywords and data types.
You’ll notice that quick help is unavailable for keywords like @interface, @property, nonatomic, readonly and so on. Likewise, built-in data types like int, float, double don’t have quick help either. This is normal.
If you need help on the ARC keywords like strong, weak, __unsafe_unretained I suggest to read the Transitioning to ARC Release Notes.
For compiler directives please refer to my Complete List of Objective-C 2.0 @ Compiler Directives.