1 files changed, 9 insertions, 4 deletions
diff --git a/javax/swing/DefaultListSelectionModel.java b/javax/swing/DefaultListSelectionModel.java
index 003513a23..b6d3e079e 100644
--- a/javax/swing/DefaultListSelectionModel.java
+++ b/javax/swing/DefaultListSelectionModel.java
@@ -162,11 +162,14 @@ public class DefaultListSelectionModel implements Cloneable,
   /**
    * Sets the value of the {@link #selectionMode} property.
    *
-   * @param a The new value of the property
+   * @param mode The new value of the property
    */
-  public void setSelectionMode(int a)
+  public void setSelectionMode(int mode)
   {
-    selectionMode = a;
+    if (mode < ListSelectionModel.SINGLE_SELECTION 
+        || mode > ListSelectionModel.MULTIPLE_INTERVAL_SELECTION)
+      throw new IllegalArgumentException("Unrecognised mode: " + mode);
+    selectionMode = mode;
   }
 
   /**
@@ -552,9 +555,10 @@ public class DefaultListSelectionModel implements Cloneable,
     
     int i;
 
-    Up: for (i = from; i>=0; i=sel.nextSetBit(i+1))
+    for (i = from; i>=0; i=sel.nextSetBit(i+1))
       to = i;
     
+    sel.clear();
     fireValueChanged(from, to, valueIsAdjusting);
   }
   
@@ -776,6 +780,7 @@ public class DefaultListSelectionModel implements Cloneable,
     DefaultListSelectionModel model =
       (DefaultListSelectionModel) super.clone();
     model.sel = (BitSet) sel.clone();
+    model.listenerList = new EventListenerList();
     return model;
   }
 }