On Sep 7, 2009, at 21:45 , Edward Chan wrote:

Great...

How long ago did you ask the Apple engineers? I haven't tried this
piece of code with Snow Leopard actually...

This was back in February, I was probably testing on Leopard. The difference between what you and I tried was that I used - bind:toObject:withKeyPath:options: instead of - addObserver:forKeyPath:options:.

Did they explain why they didn't want to support it?

No, but then the discussion was over Twitter DMs, with all the terseness that entails :-). I do remember eventually sending some sample code to someone in Apple who I seem to recall is on this list, hopefully he is and will be able to explain engineering's reservations more completely.

Cheers,
Graham.
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