Cleanup pass.

chrome/common/extensions/docs/devguide.html

Index: chrome/common/extensions/docs/devguide.html
===================================================================
--- chrome/common/extensions/docs/devguide.html	(revision 45934)
+++ chrome/common/extensions/docs/devguide.html	(working copy)
@@ -303,8 +303,8 @@
     <td> Detect when something interesting happens </td>
   </tr>
   <tr>
-    <td> <a href="i18n.html">I18n</a> </td>
-    <td> Deal with language and locale </td>
+    <td> <a href="history.html">History</a> </td>
+    <td> Interact with the browser's record of visited pages </td>
   </tr>
   <tr>
     <td> <a href="tabs.html">Tabs</a> </td>
@@ -334,6 +334,10 @@
     <td> Use XMLHttpRequest to send and receive data from remote servers </td>
   </tr>
   <tr>
+    <td> <a href="i18n.html">Internationalization</a> </td>
+    <td> Deal with language and locale </td>
+  </tr>
+  <tr>
     <td> <a href="messaging.html">Message&nbsp;Passing</a> </td>
     <td> Communicate from a content script to its parent extension,
          or vice versa</td>
@@ -354,6 +358,10 @@
     <td> Update extensions automatically </td>
   </tr>
   <tr>
+    <td> <a href="external_extensions.html">External Extensions</a> </td>
+    <td> Install extensions automatically </td>
+  </tr>
+  <tr>
     <td> <a href="hosting.html">Hosting</a> </td>
     <td> Host extensions on your own servers </td>
   </tr>