Populate new NSPersistentDocuments with seed objects / Discard changes on close...

Auto-save not working with NSUndoManager on UIManagedDocument...

iOS - UITextView + NSUndoManager...

Difficulty implementing NSUndoManager redo function...

Will NSUndoManager undo changes happening in the background?...

Nested redo group with NSUndoManager...

Cocoa: looking for a general strategy for programmatic manipulation of NSTextView storage without me...

Removing undo actions for a WebView's NSUndoManager...

Getting Notifications of isDocumentEdited...

NSUndoManager calls method that no longer exists...

core data undo specific record...

NSUndoManager does not seem to post NSManagedObjectContextDidSaveNotification on undo or redo...

What responder catches undo action?...

Core Data - undoing changes after saving a context...

UITextField replace text with NSUndoManager Support...

NSUndoManager is in invalid state...

Clearing NSUndoManager's Redo stack...

Does Core Data undo management work across application restarts?...

NSUndoManager and How Do I get the Redo Working...

Explicitly setting the redo invocation for the NSUndoManager...

Does NSUndoManager retain its arguments?...

CoreData throws exception with NSUndoManager...

NSUndoManager with blocks...

ios Undo manager - reset to first undo...

Undo Manager is nil --- Why?...

Capturing undo and redo edit text groups in NSTextView...

NSManagedObjectContext: undo save-operation?...

undo all changes made in the child view controller...

Core Data undoManager crashes...

undo all changes made in a view controller...