diff --git a/src/xercesc/dom/DOMDocument.hpp b/src/xercesc/dom/DOMDocument.hpp
index f28567b6de9258fd617214f9148e1c53700f54a3..02ae01fa141e9b86dca52c6568f5554c3afa4921 100644
--- a/src/xercesc/dom/DOMDocument.hpp
+++ b/src/xercesc/dom/DOMDocument.hpp
@@ -82,6 +82,7 @@ class DOMNodeList;
 class DOMNotation;
 class DOMText;
 class DOMNode;
+class DOMErrorHandler;
 
 
 /**
@@ -653,6 +654,58 @@ public:
      */
     virtual void                   setDocumentURI(const XMLCh* documentURI) = 0;
 
+    /**
+     * An attribute specifying whether errors checking is enforced or not.
+     * When set to <code>false</code>, the implementation is free to not
+     * test every possible error case normally defined on DOM operations,
+     * and not raise any <code>DOMException</code>. In case of error, the
+     * behavior is undefined. This attribute is <code>true</code> by
+     * defaults.
+     *
+     * <p><b>"Experimental - subject to change"</b></p>
+     *
+     * @since DOM Level 3
+     */
+    virtual bool                   getStrictErrorChecking() const = 0;
+    /**
+     * An attribute specifying whether errors checking is enforced or not.
+     * When set to <code>false</code>, the implementation is free to not
+     * test every possible error case normally defined on DOM operations,
+     * and not raise any <code>DOMException</code>. In case of error, the
+     * behavior is undefined. This attribute is <code>true</code> by
+     * defaults.
+     *
+     * <p><b>"Experimental - subject to change"</b></p>
+     *
+     * @since DOM Level 3
+     */
+    virtual void                   setStrictErrorChecking(bool strictErrorChecking) = 0;
+
+    /**
+     * This attribute allows applications to specify a
+     * <code>DOMErrorHandler</code> to be called in the event that an error
+     * is encountered while performing an operation on a document. Note that
+     * not all methods use this mechanism, see the description of each
+     * method for details.
+     *
+     * <p><b>"Experimental - subject to change"</b></p>
+     *
+     * @since DOM Level 3
+     */
+    virtual DOMErrorHandler*       getErrorHandler() const = 0;
+    /**
+     * This attribute allows applications to specify a
+     * <code>DOMErrorHandler</code> to be called in the event that an error
+     * is encountered while performing an operation on a document. Note that
+     * not all methods use this mechanism, see the description of each
+     * method for details.
+     *
+     * <p><b>"Experimental - subject to change"</b></p>
+     *
+     * @since DOM Level 3
+     */
+    virtual void                   setErrorHandler(DOMErrorHandler* const handler) = 0;
+
     /**
      * Rename an existing node. When possible this simply changes the name of
      * the given node, otherwise this creates a new node with the specified
@@ -700,6 +753,363 @@ public:
      * @since DOM Level 3
      */
     virtual DOMNode* renameNode(DOMNode* n, const XMLCh* namespaceURI, const XMLCh* name) = 0;
+
+
+    /**
+     * Changes the <code>ownerDocument</code> of a node, its children, as well
+     * as the attached attribute nodes if there are any. If the node has a
+     * parent it is first removed from its parent child list. This
+     * effectively allows moving a subtree from one document to another. The
+     * following list describes the specifics for each type of node.
+     *
+     * <p><b>"Experimental - subject to change"</b></p>
+     *
+     * <dl>
+     * <dt>
+     * ATTRIBUTE_NODE</dt>
+     * <dd>The <code>ownerElement</code> attribute is set to
+     * <code>null</code> and the <code>specified</code> flag is set to
+     * <code>true</code> on the adopted <code>DOMAttr</code>. The descendants
+     * of the source <code>DOMAttr</code> are recursively adopted.</dd>
+     * <dt>
+     * DOCUMENT_FRAGMENT_NODE</dt>
+     * <dd>The descendants of the source node are
+     * recursively adopted.</dd>
+     * <dt>DOCUMENT_NODE</dt>
+     * <dd><code>DOMDocument</code> nodes cannot
+     * be adopted.</dd>
+     * <dt>DOCUMENT_TYPE_NODE</dt>
+     * <dd><code>DOMDocumentType</code> nodes cannot
+     * be adopted.</dd>
+     * <dt>ELEMENT_NODE</dt>
+     * <dd>Specified attribute nodes of the source
+     * element are adopted, and the generated <code>DOMAttr</code> nodes.
+     * Default attributes are discarded, though if the document being
+     * adopted into defines default attributes for this element name, those
+     * are assigned. The descendants of the source element are recursively
+     * adopted.</dd>
+     * <dt>ENTITY_NODE</dt>
+     * <dd><code>DOMEntity</code> nodes cannot be adopted.</dd>
+     * <dt>
+     * ENTITY_REFERENCE_NODE</dt>
+     * <dd>Only the <code>DOMEntityReference</code> node
+     * itself is adopted, the descendants are discarded, since the source
+     * and destination documents might have defined the entity differently.
+     * If the document being imported into provides a definition for this
+     * entity name, its value is assigned.</dd>
+     * <dt>NOTATION_NODE</dt>
+     * <dd><code>DOMNotation</code>
+     * nodes cannot be adopted.</dd>
+     * <dt>PROCESSING_INSTRUCTION_NODE, TEXT_NODE,
+     * CDATA_SECTION_NODE, COMMENT_NODE</dt>
+     * <dd>These nodes can all be adopted. No
+     * specifics.</dd>
+     * </dl>
+     * @param source The node to move into this document.
+     * @return The adopted node, or <code>null</code> if this operation
+     *   fails, such as when the source node comes from a different
+     *   implementation.
+     * @exception DOMException
+     *   NOT_SUPPORTED_ERR: Raised if the source node is of type
+     *   <code>DOCUMENT</code>, <code>DOCUMENT_TYPE</code>.
+     *   <br>NO_MODIFICATION_ALLOWED_ERR: Raised when the source node is
+     *   readonly.
+     * @since DOM Level 3
+     */
+    virtual DOMNode*               adoptNode(DOMNode* source) = 0;
+
+    /**
+     * This method acts as if the document was going through a save and load
+     * cycle, putting the document in a "normal" form. The actual result
+     * depends on the features being set and governing what operations
+     * actually take place. See <code>setNormalizationFeature</code> for
+     * details.
+     *
+     * <p><b>"Experimental - subject to change"</b></p>
+     *
+     * <br>Noticeably this method normalizes <code>DOMText</code> nodes, makes
+     * the document "namespace wellformed", according to the algorithm
+     * described below in pseudo code, by adding missing namespace
+     * declaration attributes and adding or changing namespace prefixes,
+     * updates the replacement tree of <code>DOMEntityReference</code> nodes,
+     * normalizes attribute values, etc.
+     * <br>Mutation events, when supported, are generated to reflect the
+     * changes occuring on the document.
+     * @since DOM Level 3
+     */
+    virtual void                   normalizeDocument() = 0;
+
+    /**
+     * Query whether setting a feature to a specific value is supported.
+     * <br>The feature name has the same form as a DOM <code>hasFeature</code>
+     * string.
+     *
+     * <p><b>"Experimental - subject to change"</b></p>
+     *
+     * @param name The name of the feature to check.
+     * @param state The requested state of the feature (<code>true</code> or
+     *   <code>false</code>).
+     * @return <code>true</code> if the feature could be successfully set to
+     *   the specified value, or <code>false</code> if the feature is not
+     *   recognized or the requested value is not supported. This does not
+     *   change the current value of the feature itself.
+     * @since DOM Level 3
+     */
+    virtual bool                   canSetNormalizationFeature(const XMLCh* const name, bool state) const = 0;
+
+    /**
+     * Set the state of a feature.Need to specify the list of features.
+     * <br>Feature names are valid XML names. Implementation specific features
+     * (extensions) should choose an implementation specific prefix to avoid
+     * name collisions. The following lists feature names that are
+     * recognized by all implementations. However, it is sometimes possible
+     * for a <code>DOMDocument</code> to recognize a feature but not to support
+     * setting its value. The following list of recognized features
+     * indicates the definitions of each feature state, if setting the state
+     * to <code>true</code> or <code>false</code> must be supported or is
+     * optional and, which state is the default one:
+     *
+     * <p><b>"Experimental - subject to change"</b></p>
+     *
+     * <dl>
+     * <dt>
+     * <code>"canonical-form"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[optional]Canonicalize
+     * the document according to the rules specified in . Note that this is
+     * limited to what can be represented in the DOM. In particular, there
+     * is no way to specify the order of the attributes in the DOM. </dd>
+     * <dt><code>false</code></dt>
+     * <dd>[required] (default)Do not
+     * canonicalize the document.</dd>
+     * </dl></dd>
+     * <dt><code>"cdata-sections"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt>
+     * <code>true</code></dt>
+     * <dd>[required] (default)Keep <code>CDATASection</code>
+     * nodes in the document.Name does not work really well in this case.
+     * ALH suggests renaming this to "cdata-sections". It works for both
+     * load and save.Renamed as suggested. (Telcon 27 Jan 2002).</dd>
+     * <dt>
+     * <code>false</code></dt>
+     * <dd>[optional]Transform <code>CDATASection</code> nodes
+     * in the document into <code>DOMText</code> nodes. The new
+     * <code>DOMText</code> node is then combined with any adjacent
+     * <code>DOMText</code> node.</dd>
+     * </dl></dd>
+     * <dt><code>"comments"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[
+     * required] (default)Keep <code>DOMComment</code> nodes in the document.</dd>
+     * <dt>
+     * <code>false</code></dt>
+     * <dd>[required]Discard <code>Comment</code> nodes in the
+     * Document.</dd>
+     * </dl></dd>
+     * <dt><code>DOM"datatype-normalization"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[
+     * required]Let the validation process do its datatype normalization
+     * that is defined in the used schema language. Note that this does not
+     * affect the DTD normalization operation which always takes place, in
+     * accordance to .We should define "datatype normalization".DTD
+     * normalization always apply because it's part of XML 1.0. Clarify the
+     * spec. (Telcon 27 Jan 2002).</dd>
+     * <dt><code>false</code></dt>
+     * <dd>[required] (default)
+     * Disable datatype normalization. The XML 1.0 attribute value
+     * normalization always occurs though.</dd>
+     * </dl></dd>
+     * <dt>
+     * <code>"discard-default-content"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[required] (
+     * default)Use whatever information available to the implementation
+     * (i.e. XML schema, DTD, the <code>specified</code> flag on
+     * <code>DOMAttr</code> nodes, and so on) to decide what attributes and
+     * content should be discarded or not. Note that the
+     * <code>specified</code> flag on <code>DOMAttr</code> nodes in itself is
+     * not always reliable, it is only reliable when it is set to
+     * <code>false</code> since the only case where it can be set to
+     * <code>false</code> is if the attribute was created by the
+     * implementation. The default content won't be removed if an
+     * implementation does not have any information available.</dd>
+     * <dt><code>false</code></dt>
+     * <dd>[required]Keep all
+     * attributes and all content.</dd>
+     * </dl></dd>
+     * <dt><code>"entities"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[
+     * required] (default)Keep <code>DOMEntityReference</code> and
+     * <code>DOMEntity</code> nodes in the document.</dd>
+     * <dt><code>false</code></dt>
+     * <dd>[optional]Remove
+     * all <code>DOMEntityReference</code> and <code>DOMEntity</code> nodes from
+     * the document, putting the entity expansions directly in their place.
+     * <code>DOMText</code> nodes are into "normal" form. Only
+     * <code>DOMEntityReference</code> nodes to non-defined entities are kept
+     * in the document.</dd>
+     * </dl></dd>
+     * <dt><code>"infoset"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[optional]Only
+     * keep in the document the information defined in the XML Information
+     * Set .This forces the following features to <code>false</code>:
+     * <code>namespace-declarations</code>, <code>validate-if-schema</code>,
+     * <code>entities</code>, <code>cdata-sections</code>.This forces the
+     * following features to <code>true</code>:
+     * <code>datatype-normalization</code>,
+     * <code>whitespace-in-element-content</code>, <code>comments</code>.
+     * Other features are not changed unless explicity specified in the
+     * description of the features. Note that querying this feature with
+     * <code>getFeature</code> returns <code>true</code> only if the
+     * individual features specified above are appropriately set.Name
+     * doesn't work well here. ALH suggests renaming this to
+     * limit-to-infoset or match-infoset, something like that.Renamed
+     * 'infoset' (Telcon 27 Jan 2002).</dd>
+     * <dt><code>false</code></dt>
+     * <dd>Setting
+     * <code>infoset</code> to <code>false</code> has no effect.</dd>
+     * </dl></dd>
+     * <dt>
+     * <code>"namespace-declarations"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[required] (
+     * default)Include namespace declaration attributes, specified or
+     * defaulted from the schema or the DTD, in the document. See also the
+     * section Declaring Namespaces in .</dd>
+     * <dt><code>false</code></dt>
+     * <dd>[optional]Discard
+     * all namespace declaration attributes. The Namespace prefixes are
+     * retained even if this feature is set to <code>false</code>.</dd>
+     * </dl></dd>
+     * <dt>
+     * <code>"normalize-characters"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[optional]Perform
+     * the W3C Text Normalization of the characters  in the document. </dd>
+     * <dt>
+     * <code>false</code></dt>
+     * <dd>[required] (default)Do not perform character
+     * normalization.</dd>
+     * </dl></dd>
+     * <dt><code>"split-cdata-sections"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[
+     * required] (default)Split CDATA sections containing the CDATA section
+     * termination marker ']]&gt;'. When a CDATA section is split a warning
+     * is issued.</dd>
+     * <dt><code>false</code></dt>
+     * <dd>[required]Signal an error if a
+     * <code>DOMCDATASection</code> contains an unrepresentable character.</dd>
+     * </dl></dd>
+     * <dt>
+     * <code>"validate"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt><code>true</code></dt>
+     * <dd>[optional]Require the
+     * validation against a schema (i.e. XML schema, DTD, , any other type
+     * or representation of schema) of the document as it is being
+     * normalized as defined by . If validation errors are found, or no
+     * schema was found, the error handler is notified. Note also that no
+     * datatype normalization (i.e. non-XML 1.0 normalization) is done
+     * according to the schema used unless the feature
+     * <code>datatype-normalization</code> is <code>true</code>.
+     * <code>validate-if-schema</code> and <code>validate</code> are
+     * mutually exclusive, setting one of them to <code>true</code> will set
+     * the other one to <code>false</code>. </dd>
+     * <dt><code>false</code></dt>
+     * <dd>[required] (
+     * default) Only XML 1.0 non-validating processing must be done. Note
+     * that validation might still happen if <code>validate-if-schema</code>
+     * is <code>true</code>. </dd>
+     * </dl></dd>
+     * <dt><code>"validate-if-schema"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt>
+     * <code>true</code></dt>
+     * <dd>[optional]Enable validation only if a declaration
+     * for the document element can be found (independently of where it is
+     * found, i.e. XML schema, DTD, , or any other type or representation of
+     * schema). If validation errors are found, the error handler is
+     * notified. Note also that no datatype normalization (i.e. non-XML 1.0
+     * normalization) is done according to the schema used unless the
+     * feature <code>datatype-normalization</code> is <code>true</code>.
+     * <code>validate-if-schema</code> and <code>validate</code> are
+     * mutually exclusive, setting one of them to <code>true</code> will set
+     * the other one to <code>false</code>. </dd>
+     * <dt><code>false</code></dt>
+     * <dd>[required] (default)No
+     * validation should be performed if the document has a schema. Note
+     * that validation must still happen if <code>validate</code> is
+     * <code>true</code>. </dd>
+     * </dl></dd>
+     * <dt><code>"whitespace-in-element-content"</code></dt>
+     * <dd>
+     * <dl>
+     * <dt>
+     * <code>true</code></dt>
+     * <dd>[required] (default)Keep all white spaces in the
+     * document. How does this feature interact with <code>"validate"</code>
+     * and <code>Text.isWhitespaceInElementContent</code>. </dd>
+     * <dt><code>false</code></dt>
+     * <dd>
+     * [optional]Discard white space in element content while normalizing.
+     * The implementation is expected to use the
+     * <code>isWhitespaceInElementContent</code> flag on <code>Text</code>
+     * nodes to determine if a text node should be written out or not.</dd>
+     * </dl></dd>
+     * </dl>
+     * @param name The name of the feature to set.
+     * @param state The requested state of the feature (<code>true</code> or
+     *   <code>false</code>).
+     * @exception DOMException
+     *   NOT_SUPPORTED_ERR: Raised when the feature name is recognized but the
+     *   requested value cannot be set.
+     *   <br>NOT_FOUND_ERR: Raised when the feature name is not recognized.
+     * @since DOM Level 3
+     */
+    virtual void                   setNormalizationFeature(const XMLCh* const name, bool state) = 0;
+
+    /**
+     * Look up the value of a feature.
+     * <br>The feature name has the same form as a DOM <code>hasFeature</code>
+     * string. The recognized features are the same as the ones defined for
+     * <code>setNormalizationFeature</code>.
+     *
+     * <p><b>"Experimental - subject to change"</b></p>
+     *
+     * @param name The name of the feature to look up.
+     * @return The current state of the feature (<code>true</code> or
+     *   <code>false</code>).
+     * @exception DOMException
+     *   NOT_FOUND_ERR: Raised when the feature name is not recognized.
+     * @since DOM Level 3
+     */
+    virtual bool                   getNormalizationFeature(const XMLCh* const name) const = 0;
     //@}
 
     // -----------------------------------------------------------------------
@@ -758,5 +1168,4 @@ protected:
 
 };
 
-
 #endif