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diff --git a/core/dom/documentfragment.js b/core/dom/documentfragment.js
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+/**
+ * @license Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.html or http://ckeditor.com/license
+ */
+
+/**
+ * DocumentFragment is a "lightweight" or "minimal" Document object. It is
+ * commonly used to extract a portion of a document's tree or to create a new
+ * fragment of a document. Various operations may take DocumentFragment objects
+ * as arguments and results in all the child nodes of the DocumentFragment being
+ * moved to the child list of this node.
+ *
+ * @class
+ * @constructor Creates a document fragment class instance.
+ * @param {Object} nodeOrDoc
+ * @todo example and param doc
+ */
+CKEDITOR.dom.documentFragment = function( nodeOrDoc ) {
+	nodeOrDoc = nodeOrDoc || CKEDITOR.document;
+
+	if ( nodeOrDoc.type == CKEDITOR.NODE_DOCUMENT )
+		this.$ = nodeOrDoc.$.createDocumentFragment();
+	else
+		this.$ = nodeOrDoc;
+};
+
+CKEDITOR.tools.extend( CKEDITOR.dom.documentFragment.prototype, CKEDITOR.dom.element.prototype, {
+	/**
+	 * The node type. This is a constant value set to {@link CKEDITOR#NODE_DOCUMENT_FRAGMENT}.
+	 *
+	 * @readonly
+	 * @property {Number} [=CKEDITOR.NODE_DOCUMENT_FRAGMENT]
+	 */
+	type: CKEDITOR.NODE_DOCUMENT_FRAGMENT,
+
+	/**
+	 * Inserts document fragment's contents after specified node.
+	 *
+	 * @param {CKEDITOR.dom.node} node
+	 */
+	insertAfterNode: function( node ) {
+		node = node.$;
+		node.parentNode.insertBefore( this.$, node.nextSibling );
+	}
+}, true, { 'append':1,'appendBogus':1,'getFirst':1,'getLast':1,'getParent':1,'getNext':1,'getPrevious':1,'appendTo':1,'moveChildren':1,'insertBefore':1,'insertAfterNode':1,'replace':1,'trim':1,'type':1,'ltrim':1,'rtrim':1,'getDocument':1,'getChildCount':1,'getChild':1,'getChildren':1 } );