diff --git a/src/servo/dom/characterdata.rs b/src/servo/dom/characterdata.rs
index b078d6dd03c..a8d81158d9c 100644
--- a/src/servo/dom/characterdata.rs
+++ b/src/servo/dom/characterdata.rs
@@ -1,3 +1,9 @@
+/* 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/. */
+
+//! DOM bindings for `CharacterData`.
+
 use dom::bindings::utils::{DOMString, null_string, str};
 use dom::node::{Node, NodeTypeId};
 
@@ -8,50 +14,51 @@ pub struct CharacterData {
     data: DOMString
 }
 
-pub impl CharacterData {
-    fn new(id: NodeTypeId, data: ~str) -> CharacterData {
+impl CharacterData {
+    pub fn new(id: NodeTypeId, data: ~str) -> CharacterData {
         CharacterData {
             parent: Node::new(id),
             data: str(data)
         }
     }
     
-    fn GetData(&self) -> DOMString {
+    pub fn GetData(&self) -> DOMString {
         copy self.data
     }
 
-    fn SetData(&mut self, arg: DOMString) {
+    pub fn SetData(&mut self, arg: DOMString) {
         self.data = arg;
     }
 
-    fn Length(&self) -> u32 {
+    pub fn Length(&self) -> u32 {
         match self.data {
-          str(ref s) => s.len() as u32,
-          null_string => 0
+            str(ref s) => s.len() as u32,
+            null_string => 0
         }
     }
 
-    fn SubstringData(&self, offset: u32, count: u32) -> DOMString {
+    pub fn SubstringData(&self, offset: u32, count: u32) -> DOMString {
         match self.data {
-          str(ref s) => str(s.slice(offset as uint, count as uint).to_str()),
-          null_string => null_string
+            str(ref s) => str(s.slice(offset as uint, count as uint).to_str()),
+            null_string => null_string
         }
     }
 
-    fn AppendData(&mut self, arg: DOMString) {
+    pub fn AppendData(&mut self, arg: DOMString) {
         let s = self.data.to_str();
         self.data = str(str::append(s, arg.to_str()));
     }
 
-    fn InsertData(&mut self, _offset: u32, _arg: DOMString) {
-        fail!(~"nyi")
+    pub fn InsertData(&mut self, _offset: u32, _arg: DOMString) {
+        fail!("CharacterData::InsertData() is unimplemented")
     }
 
-    fn DeleteData(&mut self, _offset: u32, _count: u32) {
-        fail!(~"nyi")
+    pub fn DeleteData(&mut self, _offset: u32, _count: u32) {
+        fail!("CharacterData::DeleteData() is unimplemented")
     }
 
-    fn ReplaceData(&mut self, _offset: u32, _count: u32, _arg: DOMString) {
-        fail!(~"nyi")
+    pub fn ReplaceData(&mut self, _offset: u32, _count: u32, _arg: DOMString) {
+        fail!("CharacterData::ReplaceData() is unimplemented")
     }
 }
+