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diff --git a/libjava/classpath/java/io/SerializablePermission.java b/libjava/classpath/java/io/SerializablePermission.java
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+/* SerializablePermission.java -- Basic permissions related to serialization.
+   Copyright (C) 1998, 2000, 2003 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.io;
+
+import java.security.BasicPermission;
+
+/**
+  * This class models permissions related to serialization.  As a subclass
+  * of <code>BasicPermission</code>, this class has permissions that have
+  * a name only.  There is no associated action list.
+  * <p>
+  * There are currently two allowable permission names for this class:
+  * <ul>
+  * <li><code>enableSubclassImplementation</code> - Allows a subclass to
+  * override the default serialization behavior of objects.</li>
+  * <li><code>enableSubstitution</code> - Allows substitution of one object
+  * for another during serialization or deserialization.</li>
+  * </ul>
+  *
+  * @see java.security.BasicPermission
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public final class SerializablePermission extends BasicPermission
+{
+  static final long serialVersionUID = 8537212141160296410L;
+	
+  /*
+   * Class Variables
+   */
+
+  private static final String[] legal_names = { "enableSubclassImplementation",
+  					      "enableSubstitution" };
+  /*
+   * Constructors
+   */
+
+  /**
+    * This method initializes a new instance of 
+    * <code>SerializablePermission</code>
+    * that has the specified name.
+    *
+    * @param name The name of the permission.
+    *
+    * @exception IllegalArgumentException If the name is not valid for
+    * this class.
+    */
+  public SerializablePermission(String name)
+  {
+    this(name, null);
+  }
+
+  /**
+    * This method initializes a new instance of 
+    * <code>SerializablePermission</code>
+    * that has the specified name and action list.  Note that the action list
+    * is unused in this class.
+    *
+    * @param name The name of the permission.
+    * @param actions The action list (unused).
+    *
+    * @exception IllegalArgumentException If the name is not valid for 
+    * this class.
+    */
+  public SerializablePermission(String name, String actions)
+  {
+    super(name, actions);
+
+    for (int i = 0; i < legal_names.length; i++)
+      if (legal_names[i].equals(name))
+        return;
+
+    throw new IllegalArgumentException("Bad permission name:  " + name);
+  }
+
+} // class SerializablePermission
+