Added note that Areas get focus on Mac OS X on a click event automatically since we make it a first responder.

area_darwin.go

@@ -124,6 +124,7 @@ func areaView_mouseMoved_mouseDragged(self C.id, e C.id) {
 
 //export areaView_mouseDown
 func areaView_mouseDown(self C.id, e C.id) {
+	// no need to manually set focus; Mac OS X has already done that for us by this point
 	areaMouseEvent(self, e, true, false)
 }
 

todo.md

@@ -3,7 +3,6 @@ MAC OS X:
 	- asked: http://stackoverflow.com/questions/23046414/cocoa-how-do-i-get-nscombobox-indexofselecteditem-to-return-1-if-the-user-m
 - 10.6 also spits a bunch of NSNoAutoreleasePool() debug log messages even though I thoguht I had everything in an NSAutoreleasePool...
 - key up with the Command key held and our new modifiers code doesn't seem to happen?
-- point out that Areas get keyboard focus automatically on click on Mac OS X
 - make sure Areas get keyboard focus when clicking outside the actual Area space on Mac OS X
 
 WINDOWS: