import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Hashtable;
-import java.util.Vector;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;
-import com.sun.org.apache.bcel.internal.generic.ISHL;
-
import jalview.datamodel.AlignmentView;
-import jalview.datamodel.SequenceGroup;
import jalview.gui.AlignFrame;
import jalview.gui.AlignViewport;
import jalview.gui.AlignmentPanel;