Cocoa Programming for OS X (5th Edition)   6. Delegation

About the 6. Delegation category (1)
Weird. Can't prevent speech window from closing (2)
Enforcing a window's aspect ratio (spoiler alert) (14)
How to pass value from NSViewController to custom NSView of NSPopover? (6)
Dragging a Code Snippet Tribulations/Rapture (4)
p. 105: // MARK: (1)
P. 104: textField.stringValue (1)
Closing the window when speech is finished (3)
Fatal error in updateButtons() (3)
Errata: Misspelling speechSynthesizer(_:didFinishSpeaking:) (2)