--- old/src/java.xml/share/classes/com/sun/org/apache/xml/internal/serializer/TreeWalker.java	2017-06-14 09:46:20.778486926 -0700
+++ new/src/java.xml/share/classes/com/sun/org/apache/xml/internal/serializer/TreeWalker.java	2017-06-14 09:46:19.822439168 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
  */
 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
@@ -17,13 +17,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.sun.org.apache.xml.internal.serializer;
 
-import com.sun.org.apache.xalan.internal.utils.SecuritySupport;
-import java.io.File;
+package com.sun.org.apache.xml.internal.serializer;
 
-import com.sun.org.apache.xml.internal.serializer.utils.AttList;
-import com.sun.org.apache.xml.internal.serializer.utils.DOM2Helper;
+import com.sun.org.apache.xml.internal.utils.AttList;
+import com.sun.org.apache.xml.internal.utils.DOM2Helper;
+import javax.xml.transform.Result;
 import org.w3c.dom.Comment;
 import org.w3c.dom.Element;
 import org.w3c.dom.EntityReference;
@@ -31,7 +30,6 @@
 import org.w3c.dom.Node;
 import org.w3c.dom.ProcessingInstruction;
 import org.w3c.dom.Text;
-
 import org.xml.sax.ContentHandler;
 import org.xml.sax.Locator;
 import org.xml.sax.ext.LexicalHandler;
@@ -58,12 +56,6 @@
    */
   final private SerializationHandler m_Serializer;
 
-  // ARGHH!!  JAXP Uses Xerces without setting the namespace processing to ON!
-  // DOM2Helper m_dh = new DOM2Helper();
-
-  /** DomHelper for this TreeWalker          */
-  final protected DOM2Helper m_dh;
-
   /** Locator object for this TreeWalker          */
   final private LocatorImpl m_locator = new LocatorImpl();
 
@@ -78,7 +70,7 @@
   }
 
   public TreeWalker(ContentHandler ch) {
-      this(ch,null);
+      this(ch, null);
   }
   /**
    * Constructor.
@@ -99,8 +91,6 @@
       if (systemId != null) {
           m_locator.setSystemId(systemId);
       }
-
-      m_dh = new DOM2Helper();
   }
 
   /**
@@ -209,7 +199,7 @@
     this.m_contentHandler.endDocument();
   }
 
-  /** Flag indicating whether following text to be processed is raw text          */
+  // Flag indicating whether following text to be processed is raw text
   boolean nextIsRaw = false;
 
   /**
@@ -313,7 +303,6 @@
         final int colon = attrName.indexOf(':');
         final String prefix;
 
-        // System.out.println("TreeWalker#startNode: attr["+i+"] = "+attrName+", "+attr.getNodeValue());
         if (attrName.equals("xmlns") || attrName.startsWith("xmlns:"))
         {
           // Use "" instead of null, as Xerces likes "" for the
@@ -335,13 +324,13 @@
         }
       }
 
-      String ns = m_dh.getNamespaceOfNode(node);
+      String ns = DOM2Helper.getNamespaceOfNode(node);
       if(null == ns)
         ns = "";
       this.m_contentHandler.startElement(ns,
-                                         m_dh.getLocalNameOfNode(node),
+                                         DOM2Helper.getLocalNameOfNode(node),
                                          node.getNodeName(),
-                                         new AttList(atts, m_dh));
+                                         new AttList(atts));
       break;
     case Node.PROCESSING_INSTRUCTION_NODE :
     {
@@ -389,9 +378,9 @@
       {
         nextIsRaw = false;
 
-        m_contentHandler.processingInstruction(javax.xml.transform.Result.PI_DISABLE_OUTPUT_ESCAPING, "");
+        m_contentHandler.processingInstruction(Result.PI_DISABLE_OUTPUT_ESCAPING, "");
         dispatachChars(node);
-        m_contentHandler.processingInstruction(javax.xml.transform.Result.PI_ENABLE_OUTPUT_ESCAPING, "");
+        m_contentHandler.processingInstruction(Result.PI_ENABLE_OUTPUT_ESCAPING, "");
       }
       else
       {
@@ -436,12 +425,12 @@
       break;
 
     case Node.ELEMENT_NODE :
-      String ns = m_dh.getNamespaceOfNode(node);
+      String ns = DOM2Helper.getNamespaceOfNode(node);
       if(null == ns)
         ns = "";
       this.m_contentHandler.endElement(ns,
-                                         m_dh.getLocalNameOfNode(node),
-                                         node.getNodeName());
+              DOM2Helper.getLocalNameOfNode(node),
+              node.getNodeName());
 
       if (m_Serializer == null) {
       // Don't bother with endPrefixMapping calls if the ContentHandler is a