diff -r 000000000000 -r 6474c204b198 dom/interfaces/core/nsIDOMCharacterData.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/interfaces/core/nsIDOMCharacterData.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,42 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsIDOMNode.idl"
+
+/**
+ * The nsIDOMCharacterData interface extends nsIDOMNode with a set of 
+ * attributes and methods for accessing character data in the DOM.
+ * 
+ * For more information on this interface please see 
+ * http://www.w3.org/TR/DOM-Level-2-Core/
+ */
+
+[scriptable, uuid(84f72a38-1873-46f8-937c-1df22d7e7cae)]
+interface nsIDOMCharacterData : nsIDOMNode
+{
+           attribute DOMString            data;
+                                  // raises(DOMException) on setting
+                                  // raises(DOMException) on retrieval
+
+  readonly attribute unsigned long        length;
+  DOMString                 substringData(in unsigned long offset, 
+                                          in unsigned long count)
+                                  raises(DOMException);
+  void                      appendData(in DOMString arg)
+                                  raises(DOMException);
+  void                      insertData(in unsigned long offset, 
+                                       in DOMString arg)
+                                  raises(DOMException);
+  void                      deleteData(in unsigned long offset, 
+                                       in unsigned long count)
+                                  raises(DOMException);
+  void                      replaceData(in unsigned long offset, 
+                                        in unsigned long count, 
+                                        in DOMString arg)
+                                  raises(DOMException);
+
+  [binaryname(MozRemove)]
+  void remove();
+};