But is it really the same as a Mac keyboard—say, an Apple Bluetooth Keyboard? The short answer: there are differences, some non-trivial, but they’re far more alike than not. The iPad Keyboard Dock is just as wide as the Apple Bluetooth Keyboard, with only one less key—function (fn) is gone—and the previously function (f1, f2, f3…) keys are labelled differently. At furthest left is a Home button, which works just like…