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
* accelerator, you can simply insert a '@' or a tab at the end of the text. 
     * </p>
     *
     * @param text the text, or <code>null</code> if none
     */
    public void setText(String text) {
        String oldText = this.text;
        int oldAccel = this.accelerator;
        this.text = text;
        if (text != null) {
            String acceleratorText = extractAcceleratorText(text);
            if (acceleratorText != null) {
                int newAccelerator = convertLocalizedAccelerator(acceleratorText);
                
                if (newAccelerator > 0) {
                    setAccelerator(newAccelerator);
                }
            }
        }
        if (!(this.accelerator == oldAccel && (oldText == null ? this.text == null
                : oldText.equals(this.text)))) {
            firePropertyChange(TEXT, oldText, this.text);
        }
    }
    /**
     * Sets the tool tip text for this action.
     * <p>
     * Fires a property change event for the <code>TOOL_TIP_TEXT</code> property
     * if the tool tip text actually changes as a consequence.
     * </p>