Eclipse Platform Release 3.7

## Uses of Interface
org.eclipse.jface.text.IUndoManagerExtension

Packages that use IUndoManagerExtension
org.eclipse.jface.text: Provides a framework for creating and manipulating text documents.

Uses of IUndoManagerExtension in org.eclipse.jface.text

Classes in org.eclipse.jface.text that implement IUndoManagerExtension
`class` `DefaultUndoManager` Deprecated. As of 3.2, replaced by `TextViewerUndoManager`
`class` `TextViewerUndoManager` Implementation of `IUndoManager` using the shared document undo manager.

Eclipse Platform Release 3.7

Guidelines for using Eclipse APIs.

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