Imported GNU Classpath 0.90

Imported GNU Classpath 0.90
       * scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
       * gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
       * java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
       * java/lang/Math.java: New override file.
       * java/lang/Character.java: Merged from Classpath.
       (start, end): Now 'int's.
       (canonicalName): New field.
       (CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
       (UnicodeBlock): Added argument.
       (of): New overload.
       (forName): New method.
       Updated unicode blocks.
       (sets): Updated.
       * sources.am: Regenerated.
       * Makefile.in: Likewise.

From-SVN: r111942

libjava/classpath/gnu/java/util/prefs/NodeWriter.java

@@ -1,5 +1,5 @@
 /* NodeWriter - Writes and exports preferences nodes to files
-   Copyright (C) 2001 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2006 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -41,6 +41,7 @@ import java.io.BufferedWriter;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.io.OutputStreamWriter;
+import java.io.UnsupportedEncodingException;
 import java.io.Writer;
 
 import java.util.StringTokenizer;
@@ -66,24 +67,25 @@ public class NodeWriter {
      */
     private boolean subtree;
 
-    /**
-     * Creates a new NodeWriter for the given preferences node and writer.
-     */
-    public NodeWriter(Preferences prefs, Writer w) {
-        this.prefs = prefs;
-        if (w instanceof BufferedWriter) {
-            this.bw = (BufferedWriter) w;
-        } else {
-            this.bw = new BufferedWriter(w);
-        }
-    }
-
     /**
      * Creates a new NodeWriter for the given preferences node and
      * outputstream. Creates a new OutputStreamWriter.
      */
     public NodeWriter(Preferences prefs, OutputStream os) {
-        this(prefs, new OutputStreamWriter(os));
+        this.prefs = prefs;
+        Writer w;
+        try
+          {
+            w = new OutputStreamWriter(os, "UTF-8");
+          }
+        catch (UnsupportedEncodingException uee)
+          {
+            // Shouldn't happen, since we always have UTF-8 available.
+            InternalError ie = new InternalError("UTF-8 encoding missing");
+            ie.initCause(uee);
+            throw ie;
+          }
+        this.bw = new BufferedWriter(w);
     }
 
     /**
@@ -112,6 +114,9 @@ public class NodeWriter {
     private void writeHeader() throws BackingStoreException, IOException {
         bw.write("<?xml version=\"1.0\"?>");
         bw.newLine();
+        bw.write("<!DOCTYPE preferences SYSTEM "
+                 + "\"http://java.sun.com/dtd/preferences.dtd\">");
+        bw.newLine();
         bw.newLine();
         bw.write("<!-- GNU Classpath java.util.prefs Preferences ");