Open Radar

 
Summary:

The NSFilePresenter documentation contains the following paragraph:

File Presenters and iOS
If your app enters the background with an active file presenter, any other processes that perform a coordinated read or write on the presented file can deadlock. To prevent this situation, call presentedItemURL to remove the file presenter in the applicationDidEnterBackground(_:) method or in response to a UIApplicationDidEnterBackground notification. Call presentedItemOperationQueue to add the file presenter again in the applicationWillEnterForeground(_:) method or in response to a UIApplicationWillEnterForeground notification.

https://developer.apple.com/reference/foundation/nsfilepresenter

Steps to Reproduce:

Read the paragraph. Notice “Call presentedItemOperationQueue to add the file presenter again” does not make sense here. 

Expected Results:

“Call addFilePresenter(_:) to add the file presenter again”

Actual Results:

““Call presentedItemOperationQueue to add the file presenter again”“

Regression:

Occurs in the documentation bundled with Xcode 8.2.1.

Notes:

The NSFileCoordinator documentation https://developer.apple.com/reference/foundation/nsfilecoordinator has the same paragraph with the correct reference to addFilePresenter(_:).