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diff --git a/libjava/classpath/javax/swing/undo/UndoableEdit.java b/libjava/classpath/javax/swing/undo/UndoableEdit.java
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+/* UndoableEdit.java --
+   Copyright (C) 2002, 2006, Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package javax.swing.undo;
+
+/**
+ * An editing operation that supports undo/redoability.
+ *
+ * @author Andrew Selkirk
+ */
+public interface UndoableEdit
+{
+
+  /**
+   * Incorporates another editing action into this one, thus forming a
+   * combined action.
+   *
+   * @param edit the editing action to be incorporated.
+   *
+   * @return <code>true</code> if the edit was combined successfully, and
+   *         <code>false</code> if it could not be combined.
+   */
+  boolean addEdit(UndoableEdit edit);
+
+  /**
+   * Determines whether it would be possible to redo this editing
+   * action.
+   *
+   * @return <code>true</code> to indicate that this action can be
+   * redone, <code>false</code> otherwise.
+   *
+   * @see #redo()
+   * @see #canUndo()
+   */
+  boolean canRedo();
+
+  /**
+   * Determines whether it would be possible to undo this editing
+   * action.
+   *
+   * @return <code>true</code> to indicate that this action can be
+   * undone, <code>false</code> otherwise.
+   *
+   * @see #undo()
+   * @see #canRedo()
+   */
+  boolean canUndo();
+
+  /**
+   * Informs this edit action that it will no longer be used. Some
+   * actions might use this information to release resources, for
+   * example open files.  Called by {@link UndoManager} before this
+   * action is removed from the edit queue.
+   */
+  void die();
+
+  /**
+   * Returns a human-readable, localized name that describes this
+   * editing action and can be displayed to the user.
+   *
+   * @return The presentation name.
+   */
+  String getPresentationName();
+
+  /**
+   * Returns the redo presentation name.
+   *
+   * @return The redo presentation name.
+   */
+  String getRedoPresentationName();
+
+  /**
+   * Returns the undo presentation name.
+   *
+   * @return The undo presentation name.
+   */
+  String getUndoPresentationName();
+
+  /**
+   * Determines whether this editing action is significant enough for
+   * being seperately undoable by the user. A typical significant
+   * action would be the resizing of an object. However, changing the
+   * selection in a text document would usually not be considered
+   * significant.
+   *
+   * @return <code>true</code> to indicate that the action is
+   * significant enough for being separately undoable, or
+   * <code>false</code> otherwise.
+   */
+  boolean isSignificant();
+
+  /**
+   * Redoes this editing action.
+   *
+   * @throws CannotRedoException if the edit cannot be undone.
+   *
+   * @see #canRedo()
+   * @see #undo()
+   */
+  void redo() throws CannotRedoException;
+
+  /**
+   * Incorporates another editing action into this one, thus forming a
+   * combined action that replaces the argument action.
+   *
+   * @param edit the editing action to be replaced.
+   *
+   * @return <code>true</code> if the edit is successfully replaced, and
+   *         <code>false</code> otherwise.
+   */
+  boolean replaceEdit(UndoableEdit edit);
+
+  /**
+   * Undoes this editing action.
+   *
+   * @throws CannotUndoException if the edit cannot be undone.
+   *
+   * @see #canUndo()
+   * @see #redo()
+   */
+  void undo() throws CannotUndoException;
+
+}