>The best way to rename a class is to use the class browser Rename option, with the class you want to rename and all it's subclasses open. But it's easy to forget a class, so you may want to test your application thoroughly after it. Not to forget to do a backup before renaming a class... :)
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Exactally my answer... but, one little tip... if you open your project in the class browser, it is hard to forget a class!

BOb