On Nov 2, 2009, at 5:08 PM, Max Taylor wrote:

> Guess what? That file is not on my system but 10.5 and 10.6 sdk  
> files are.
>
> Could this be an outcome of updating to 10.6 and downloading all new  
> developer files?

Yes, this is SOP for Apple. Their basic approach is to provide support  
for the current OS ( 10.6 ) and the previous OS ( 10.5 ). Those with  
10.4 should expect no OS updates from here forward. The developer  
support is similar but the user may request the older sdk ( as Robert  
pointed out )

Brian S