Bug 70647 [JFace] TVT3.0: Extra mnemonic in Build Project
When I click the Build Project, The build project window shows up. Title for Build project window has extra mnemonic. And Rebuild project window is also same. See attached screenshot
bundles/org.eclipse.jface/src/org/eclipse/jface/action/Action.java
return null;
    }
    /**
     * Notifies any property change listeners that a property has changed.
     * Only listeners registered at the time this method is called are notified.
     * This method avoids creating an event object if there are no listeners registered,
     * but calls <code>firePropertyChange(PropertyChangeEvent)</code> if there are.
     *
     * @param propertyName the name of the property that has changed
     * @param oldValue the old value of the property, or <code>null</code> if none
     * @param newValue the new value of the property, or <code>null</code> if none
     *
     * @see IPropertyChangeListener#propertyChange
     */
    protected void firePropertyChange(String propertyName, Object oldValue,
            Object newValue) {
        if (!listeners.isEmpty()) {
            firePropertyChange(new PropertyChangeEvent(this, propertyName,
                    oldValue, newValue));
        }
    }
    /**
     * Notifies any property change listeners that a property has changed.
     * Only listeners registered at the time this method is called are notified.
     *
     * @param event the property change event
     *
     * @see IPropertyChangeListener#propertyChange
     */
    protected void firePropertyChange(PropertyChangeEvent event) {