We’d like to hear from you

While the editors, the technical reviewers, and I have done our best to make sure that all the examples are correct, we may have gotten something wrong. Certainly, with all the different versions of IOS out there, there will be cases in which these examples won’t work. If you do find an error or come across an example where something doesn’t work under a particular IOS version, we’d like to hear from you.

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