-import java.util.*;
-
-import java.awt.*;
-import java.awt.event.*;
-
-import jalview.analysis.*;
-import jalview.datamodel.*;
+import jalview.analysis.AlignSeq;
+import jalview.datamodel.Alignment;
+import jalview.datamodel.Sequence;
+import jalview.datamodel.SequenceI;
+import jalview.util.MessageManager;
+
+import java.awt.BorderLayout;
+import java.awt.Button;
+import java.awt.Panel;
+import java.awt.ScrollPane;
+import java.awt.TextArea;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Vector;