diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/share/classes/sun/nio/cs/ext/MS50220.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/nio/cs/ext/MS50220.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.nio.cs.ext;
+
+import java.nio.charset.Charset;
+
+public class MS50220 extends ISO2022_JP
+{
+    public MS50220() {
+        super("x-windows-50220",
+              ExtendedCharsets.aliasesFor("x-windows-50220"));
+    }
+
+    public String historicalName() {
+        return "MS50220";
+    }
+
+    public boolean contains(Charset cs) {
+      return super.contains(cs) ||
+             (cs instanceof JIS_X_0212) ||
+             (cs instanceof MS50220);
+    }
+
+    protected short[] getDecIndex1() {
+        return JIS_X_0208_MS5022X_Decoder.index1;
+    }
+
+    protected String[] getDecIndex2() {
+        return JIS_X_0208_MS5022X_Decoder.index2;
+    }
+
+    protected DoubleByteDecoder get0212Decoder() {
+        return new JIS_X_0212_MS5022X_Decoder(this);
+    }
+
+    protected short[] getEncIndex1() {
+        return JIS_X_0208_MS5022X_Encoder.index1;
+    }
+
+    protected String[] getEncIndex2() {
+        return JIS_X_0208_MS5022X_Encoder.index2;
+    }
+
+    protected DoubleByteEncoder get0212Encoder() {
+        return new JIS_X_0212_MS5022X_Encoder(this);
+    }
+
+    protected boolean doSBKANA() {
+        return false;
+    }
+}