How to decorate Objective C methods with documentation?

Question

When I\'m typing up a Cocoa object and calling a selector on that object, I sometimes can see \'documentation\' or \'help\' information about that method. For instance, as

Answer 1

You have to create a “docset”. There are tools like appledoc for creating docsets from your comments. You could set up a build phase that runs appledoc on your code.

The problem is that there's no way to make Xcode 4 reload a docset except by restarting Xcode. So even if you run appledoc automatically as part of your build, you will have to restart Xcode to make it see the changes to your docset.