Only in xmlrpc-1.2-b1/src/java/org/apache/xmlrpc: p
diff -ru xmlrpc-1.2-b1.orig/src/java/org/apache/xmlrpc/XmlRpc.java xmlrpc-1.2-b1/src/java/org/apache/xmlrpc/XmlRpc.java
--- xmlrpc-1.2-b1.orig/src/java/org/apache/xmlrpc/XmlRpc.java	2003-02-19 22:37:12.000000000 +0100
+++ xmlrpc-1.2-b1/src/java/org/apache/xmlrpc/XmlRpc.java	2005-02-05 00:56:39.396240456 +0100
@@ -184,7 +184,7 @@
      * Java's name for the encoding we're using.  Defaults to
      * <code>ISO8859_1</code>.
      */
-    static String encoding = XmlWriter.ISO8859_1;
+    static String encoding = XmlWriter.UTF8;
 
     private TypeFactory typeFactory;
 
diff -ru xmlrpc-1.2-b1.orig/src/java/org/apache/xmlrpc/XmlWriter.java xmlrpc-1.2-b1/src/java/org/apache/xmlrpc/XmlWriter.java
--- xmlrpc-1.2-b1.orig/src/java/org/apache/xmlrpc/XmlWriter.java	2003-02-19 22:37:12.000000000 +0100
+++ xmlrpc-1.2-b1/src/java/org/apache/xmlrpc/XmlWriter.java	2005-02-05 01:00:20.082691016 +0100
@@ -332,16 +332,11 @@
                 write(AMPERSAND_ENTITY);
                 break;
             default:
-                if (c < 0x20 || c > 0xff)
+                if (isInvalidXmlChar(c))
                 {
-                    // Though the XML-RPC spec allows any ASCII
-                    // characters except '<' and '&', the XML spec
-                    // does not allow this range of characters,
-                    // resulting in a parse error from most XML
-                    // parsers.
-                    throw new XmlRpcException(0, "Invalid character data " +
-                                              "corresponding to XML entity &#" +
-                                              String.valueOf((int) c) + ';');
+                    write("&#");
+                    write(String.valueOf((int)c));
+                    write(';');
                 }
                 else
                 {
@@ -350,4 +345,11 @@
             }
         }
     }
+
+    private boolean isInvalidXmlChar(char c)
+    {
+        if (c == 0x09 || c == 0x0A || c == 0x0D)
+           return false;
+        return c < 0x20 || (c > 0xD7FF && c < 0xE000) || c > 0xFFFD;
+    }
 }