With recent versions of Xcode, the palettes exercise in Cocoa Programing for Mac OS X has become unusable. These days, when you create a palette project, Xcode creates a palette target and a framework target. Thus, the palette chapter has become a palette/framework chapter.
Here is the updated chapter.
Special thanks to the students at the Cocoa Bootcamp in Rome. As the guinea pigs, they caught several errors and typos.
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