diff --git a/uk/ac/sanger/artemis/Action.java b/uk/ac/sanger/artemis/Action.java
index a5a0d66ab6083cbf038cd0df8c6692d6de57d78b..d3a36353c74a1609097e142e72be8e223337a9de 100644
--- a/uk/ac/sanger/artemis/Action.java
+++ b/uk/ac/sanger/artemis/Action.java
@@ -20,14 +20,11 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  *
- * $Header: //tmp/pathsoft/artemis/uk/ac/sanger/artemis/Action.java,v 1.1 2004-06-09 09:41:40 tjc Exp $
+ * $Header: //tmp/pathsoft/artemis/uk/ac/sanger/artemis/Action.java,v 1.2 2008-01-28 16:27:54 tjc Exp $
  */
 
 package uk.ac.sanger.artemis;
 
-import uk.ac.sanger.artemis.io.Key;
-import uk.ac.sanger.artemis.io.Location;
-import uk.ac.sanger.artemis.io.QualifierVector;
 
 /**
  *  An Action is anything done by the user that causes the state of the data
@@ -37,58 +34,63 @@ import uk.ac.sanger.artemis.io.QualifierVector;
  *  FeatureChangeEvent for each Feature that was trimmed.
  *
  *  @author Kim Rutherford <kmr@sanger.ac.uk>
- *  @version $Id: Action.java,v 1.1 2004-06-09 09:41:40 tjc Exp $
+ *  @version $Id: Action.java,v 1.2 2008-01-28 16:27:54 tjc Exp $
  **/
 
-public class Action {
+public class Action 
+{
+  /**
+   *  Delegate.
+   **/
+  private final ChangeEventVector change_vector = new ChangeEventVector ();
+  
   /**
    *  Create a new, empty Action.
    **/
-  public Action () {
-
+  public Action () 
+  {
   }
 
   /**
    *  Returns true if and only if nothing has happened during this action.
    **/
-  public boolean isEmpty () {
-    if (change_vector.size () == 0) {
+  public boolean isEmpty () 
+  {
+    if (change_vector.size () == 0)
       return true;
-    } else {
+    else
       return false;
-    }
   }
 
   /**
    *  Add a new ChangeEvent to this Action.
    **/
-  public void addChangeEvent (final ChangeEvent change_event) {
-    if (change_event instanceof FeatureChangeEvent) {
+  public void addChangeEvent (final ChangeEvent change_event) 
+  {
+    if (change_event instanceof FeatureChangeEvent) 
       addFeatureChangeEvent ((FeatureChangeEvent) change_event);
-    } else {
-      if (change_event instanceof EntryChangeEvent) {
-        addEntryChangeEvent ((EntryChangeEvent) change_event);
-      } else {
-        throw new Error ("internal error - unknown event type: " +
-                         change_event);
-      }
-    }
+    else if (change_event instanceof EntryChangeEvent) 
+      addEntryChangeEvent ((EntryChangeEvent) change_event);
+    else 
+      throw new Error ("internal error - unknown event type: " +
+                       change_event);
   }
 
   /**
    *  Add a new FeatureChangeEvent to this Action.
    **/
   public void addFeatureChangeEvent (final FeatureChangeEvent
-                                       feature_change_event) {
-    if (feature_change_event.featureHasChanged ()) {
+                                       feature_change_event) 
+  {
+    if (feature_change_event.featureHasChanged ())
       change_vector.add (feature_change_event);
-    }
   }
  
   /**
    *  Add a new EntryChangeEvent to this Action.
    **/
-  public void addEntryChangeEvent (final EntryChangeEvent entry_change_event) {
+  public void addEntryChangeEvent (final EntryChangeEvent entry_change_event)
+  {
     change_vector.add (entry_change_event);
   }
 
@@ -96,12 +98,8 @@ public class Action {
    *  Return a ChangeEventVector containing all the ChangeEvents that occured
    *  during this Action.
    **/
-  public ChangeEventVector getChangeEvents () {
+  public ChangeEventVector getChangeEvents () 
+  {
     return change_vector;
   }
-
-  /**
-   *  Delegate.
-   **/
-  final ChangeEventVector change_vector = new ChangeEventVector ();
 }