--- a/src/macosx/native/sun/awt/AWTView.m	Fri Oct 18 20:35:36 2013 +0400
+++ b/src/macosx/native/sun/awt/AWTView.m	Tue Oct 22 16:45:08 2013 +0400
@@ -272,7 +272,6 @@
  */
 
 - (void) keyDown: (NSEvent *)event {
-
     fProcessingKeystroke = YES;
     fKeyEventsNeeded = YES;
 
@@ -308,6 +307,23 @@
 
 - (BOOL) performKeyEquivalent: (NSEvent *) event {
     [self deliverJavaKeyEventHelper: event];
+
+    // Workaround for 8020209: special case for "Cmd =" and "Cmd ." 
+    // because Cocoa calls performKeyEquivalent twice for these keystrokes  
+    NSUInteger modFlags = [event modifierFlags] & 
+        (NSCommandKeyMask | NSAlternateKeyMask | NSShiftKeyMask | NSControlKeyMask);
+    if (modFlags == NSCommandKeyMask) {
+        NSString *eventChars = [event charactersIgnoringModifiers];
+        if ([eventChars length] == 1) {
+            unichar ch = [eventChars characterAtIndex:0];
+            if (ch == '=' || ch == '.') {
+                [[NSApp mainMenu] performKeyEquivalent: event];
+                return YES;
+            }
+        }
+
+    }
+
     return NO;
 }
 

--- a/src/macosx/native/sun/osxapp/NSApplicationAWT.m	Fri Oct 18 20:35:36 2013 +0400
+++ b/src/macosx/native/sun/osxapp/NSApplicationAWT.m	Tue Oct 22 16:45:08 2013 +0400
@@ -341,6 +341,10 @@
     if ([event type] == NSApplicationDefined && TS_EQUAL([event timestamp], dummyEventTimestamp)) {
         [seenDummyEventLock lockWhenCondition:NO];
         [seenDummyEventLock unlockWithCondition:YES];
+    } else if ([event type] == NSKeyUp && ([event modifierFlags] & NSCommandKeyMask)) {
+        // Cocoa won't send us key up event when releasing a key while Cmd is down,
+        // so we have to do it ourselves.
+        [[self keyWindow] sendEvent:event];
     } else {
         [super sendEvent:event];
     }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/java/awt/event/KeyEvent/8020209/bug8020209.java	Tue Oct 22 16:45:08 2013 +0400
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8020209
+ * @summary [macosx] Mac OS X key event confusion for "COMMAND PLUS"
+ * @author leonid.romanov@oracle.com
+ * @run main bug8020209
+ */
+
+import sun.awt.*;
+import java.awt.*;
+import java.awt.event.*;
+
+public class bug8020209 {
+    static volatile int listenerCallCounter = 0;
+
+    static AWTKeyStroke keyStrokes[] = {
+        AWTKeyStroke.getAWTKeyStroke(KeyEvent.VK_DECIMAL,  InputEvent.META_MASK),
+        AWTKeyStroke.getAWTKeyStroke(KeyEvent.VK_EQUALS,   InputEvent.META_MASK),
+        AWTKeyStroke.getAWTKeyStroke(KeyEvent.VK_ESCAPE,   InputEvent.CTRL_MASK),
+    };
+
+    public static void main(String[] args) throws Exception {
+        if (sun.awt.OSInfo.getOSType() != sun.awt.OSInfo.OSType.MACOSX) {
+            System.out.println("This test is for MacOS only. Automatically passed on other platforms.");
+            return;
+        }
+
+        System.setProperty("apple.laf.useScreenMenuBar", "true");
+
+        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
+        Robot robot = new Robot();
+        robot.setAutoDelay(50);
+
+        createAndShowGUI();
+        toolkit.realSync();
+
+        for (int i = 0; i < keyStrokes.length; ++i) {
+            AWTKeyStroke ks = keyStrokes[i];
+
+            int modKeyCode = getModKeyCode(ks.getModifiers());
+            robot.keyPress(modKeyCode);
+
+            robot.keyPress(ks.getKeyCode());
+            robot.keyRelease(ks.getKeyCode());
+
+            robot.keyRelease(modKeyCode);
+
+            toolkit.realSync();
+
+            if (listenerCallCounter != 4) {
+                throw new Exception("Test failed: KeyListener for '" + ks.toString() +
+                        "' called " + listenerCallCounter + " times instead of 4!");
+            }
+
+            listenerCallCounter = 0;
+        }
+
+    }
+
+    private static void createAndShowGUI() {
+        Frame frame = new Frame("Test");
+        frame.addKeyListener(new KeyAdapter() {
+            @Override
+            public void keyPressed(KeyEvent e) {
+                listenerCallCounter++;
+            }
+
+            @Override
+            public void keyReleased(KeyEvent e) {
+                listenerCallCounter++;
+            }
+        });
+
+        frame.pack();
+        frame.setVisible(true);
+    }
+
+    private static int getModKeyCode(int mod) {
+        if ((mod & (InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK)) != 0) {
+            return KeyEvent.VK_SHIFT;
+        }
+
+        if ((mod & (InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK)) != 0) {
+            return KeyEvent.VK_CONTROL;
+        }
+
+        if ((mod & (InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK)) != 0) {
+            return KeyEvent.VK_ALT;
+        }
+
+        if ((mod & (InputEvent.META_DOWN_MASK | InputEvent.META_MASK)) != 0) {
+            return KeyEvent.VK_META;
+        }
+
+        return 0;
+    }
+}

--- a/test/javax/swing/JMenuItem/ActionListenerCalledTwice/ActionListenerCalledTwiceTest.java	Fri Oct 18 20:35:36 2013 +0400
+++ b/test/javax/swing/JMenuItem/ActionListenerCalledTwice/ActionListenerCalledTwiceTest.java	Tue Oct 22 16:45:08 2013 +0400
@@ -35,13 +35,14 @@
 import javax.swing.*;
 
 public class ActionListenerCalledTwiceTest {
-    static String menuItems[] = { "Item1", "Item2", "Item3", "Item4", "Item5" };
+    static String menuItems[] = { "Item1", "Item2", "Item3", "Item4", "Item5", "Item6" };
     static KeyStroke keyStrokes[] = {
         KeyStroke.getKeyStroke(KeyEvent.VK_E, InputEvent.META_MASK),
         KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0),
         KeyStroke.getKeyStroke(KeyEvent.VK_UP, InputEvent.SHIFT_MASK),
         KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, InputEvent.META_MASK),
-        KeyStroke.getKeyStroke(KeyEvent.VK_E, InputEvent.CTRL_MASK)
+        KeyStroke.getKeyStroke(KeyEvent.VK_E, InputEvent.CTRL_MASK),
+        KeyStroke.getKeyStroke(KeyEvent.VK_EQUALS, InputEvent.META_MASK)
     };
 
     static volatile int listenerCallCounter = 0;