| Package | Description | 
|---|---|
| org.gjt.sp.jedit | This package contains jEdit 4's core classes. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | Buffer. addBufferUndoListener(BufferUndoListener listener)Adds a buffer undo listener. | 
| void | Buffer. removeBufferUndoListener(BufferUndoListener listener)Removes a buffer undo listener. |