Index: javax/swing/JMenuItem.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/JMenuItem.java,v
retrieving revision 1.18
diff -u -r1.18 JMenuItem.java
--- javax/swing/JMenuItem.java	15 Jul 2005 11:41:06 -0000	1.18
+++ javax/swing/JMenuItem.java	26 Sep 2005 20:36:10 -0000
@@ -255,8 +255,11 @@
   }
 
   /**
-   * Sets accelerator for this menu item.
-   *
+   * Sets the key combination which invokes the menu item's action 
+   * listeners without navigating the menu hierarchy. Note that when the 
+   * keyboard accelerator is typed, it will work whether or not the 
+   * menu is currently displayed.
+   * 
    * @param keystroke accelerator for this menu item.
    */
   public void setAccelerator(KeyStroke keystroke)
@@ -276,7 +279,11 @@
     super.configurePropertiesFromAction(action);
 
     if (! (this instanceof JMenu) && action != null)
-      setAccelerator((KeyStroke) (action.getValue(Action.ACCELERATOR_KEY)));
+      {
+        setAccelerator((KeyStroke) (action.getValue(Action.ACCELERATOR_KEY)));
+        super.registerKeyboardAction(action, accelerator, 
+                                     JComponent.WHEN_IN_FOCUSED_WINDOW);
+      }
   }
 
   /**
Index: javax/swing/JTree.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/JTree.java,v
retrieving revision 1.42
diff -u -r1.42 JTree.java
--- javax/swing/JTree.java	26 Sep 2005 15:20:00 -0000	1.42
+++ javax/swing/JTree.java	26 Sep 2005 20:36:10 -0000
@@ -1477,6 +1477,7 @@
    */
   public JTree(TreeModel model)
   {
+    setRootVisible(true);
     setModel(model);
     setSelectionModel(EmptySelectionModel.sharedInstance());
     setCellRenderer(new DefaultTreeCellRenderer());
Index: javax/swing/ToolTipManager.java
===================================================================
RCS file: /cvsroot/classpath/classpath/javax/swing/ToolTipManager.java,v
retrieving revision 1.22
diff -u -r1.22 ToolTipManager.java
--- javax/swing/ToolTipManager.java	23 Sep 2005 20:35:06 -0000	1.22
+++ javax/swing/ToolTipManager.java	26 Sep 2005 20:36:10 -0000
@@ -524,7 +524,8 @@
         tooltipWindow.repaint();
       }
     currentTip.setVisible(true);
-    currentTip.revalidate();
+   if (!currentTip.isValid())
+      currentTip.revalidate();
     currentTip.repaint();
   }
 
@@ -570,7 +571,6 @@
 	if (parent == null)
 	  return;
 	parent.remove(currentTip);
-
 	containerPanel = null;
       }
     if (tooltipWindow != null)
@@ -579,6 +579,7 @@
 	tooltipWindow.dispose();
 	tooltipWindow = null;
       }
+    currentTip = null;
   }
 
   /**