Document Revision History
This table describes the changes to NSUndoManager Class Reference.
| Date | Notes |
|---|---|
| 2012-06-11 | Added NSUndoManagerGroupIsDiscardableKey constant. |
| 2011-06-06 | Updated for OS X v10.7. Added new discardable undo action methods and constants. |
| 2009-05-15 | Minor reformatting. |
| 2009-03-10 | First release for iOS. |
| 2007-02-08 | Corrected the return-value descriptions for undoActionName: and redoActionName: when no action is registered. |
| 2007-01-18 | Corrected description of return value for undoActionName: and redoActionName: if no action is registered. |
| 2006-05-23 | First publication of this content as a separate document. |
© 2012 Apple Inc. All Rights Reserved. (Last updated: 2012-06-11)