Eclipse Platform Release 3.7

## Uses of Class
org.eclipse.ui.operations.OperationHistoryActionHandler

Packages that use OperationHistoryActionHandler
org.eclipse.ui.operations: Classes that provide the basic workbench UI support for undo and redo of operations.

Uses of OperationHistoryActionHandler in org.eclipse.ui.operations

Subclasses of OperationHistoryActionHandler in org.eclipse.ui.operations
`class` `RedoActionHandler` RedoActionHandler provides common behavior for redoing an operation, as well as labelling and enabling the menu item.
`class` `UndoActionHandler` UndoActionHandler provides common behavior for performing an undo, as well as labelling and enabling the undo menu item.

Eclipse Platform Release 3.7

Guidelines for using Eclipse APIs.

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