InputVerifier causes Button to stay pressed
See with the following simple compilable example
Is this a bug?
Completely locks up on 1.4,
what's wrong - the JOptionPane I take it?

<SSCCE>
import java.awt.*;
import javax.swing.*;

public class VerifyTest extends JFrame {

public VerifyTest() {

 setBounds(50,50,200,100);

 JPanel pane = new JPanel(new BorderLayout());
 setContentPane(pane);

 JTextField textField = new JTextField();

 pane.add(textField, BorderLayout.NORTH);

 JButton button = new JButton("Verify");

 pane.add(button, BorderLayout.SOUTH);

 textField.setInputVerifier(new InputVerifier() {

  public boolean verify(JComponent input) {

   return false; // or true.
  }

  public boolean shouldYieldFocus(JComponent input) {

   return JOptionPane.showConfirmDialog( VerifyTest.this,
    "Yield focus?\n Yes for true, No for false",
    "Test", JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION;

  }
 });

 setVisible(true);

}

public static void main(String[] args) {

 new VerifyTest();
}
}