Remove .html extension from links

chrome/common/extensions/docs/templates/articles/override.html

 <h1>Override Pages</h1>
 
 
 <style>
 #pics {
   margin:2em 1em 1.5em;
 }
 
 #pics td {
   text-align:center;
@@ skipping 52 matching lines @@
 <b>only one page</b>.
 For example, an extension can't override both
 the Bookmark Manager and History pages.
 </p>
 
 <p>
 Incognito windows are treated specially.
 New Tab pages cannot be overridden in incognito windows.
 Other override pages work in incognito windows
 as long as the
-<a href="manifest/incognito.html">incognito</a>
+<a href="manifest/incognito">incognito</a>
 manifest property is set to "spanning"
 (which is the default value).
-See <a href="overview.html#incognito">Saving data and incognito mode</a>
+See <a href="overview#incognito">Saving data and incognito mode</a>
 in the Overview for more details on how you should treat
 incognito windows.
 </p>
 
 <p>
 The following screenshots show the default New Tab page
 next to a custom New Tab page.
 </p>
 
 <table id="pics">
@@ skipping 12 matching lines @@
         alt="a blank New Tab page"
         width="200" height="173">
     </td>
   </tr>
 </table>
 
 <h2 id="manifest">Manifest</h2>
 
 <p>
 Register an override page in the
-<a href="manifest.html">extension manifest</a> like this:
+<a href="manifest">extension manifest</a> like this:
 </p>
 
 <pre>{
   "name": "My extension",
   ...
 
 <b>  "chrome_url_overrides" : {
     "<em>pageToOverride</em>": "<em>myPage.html</em>"
   }</b>,
   ...
@@ skipping 55 matching lines @@
     Until they do,
     you're better off trying to make something completely different.
     </p>
   </li>
 </ul>
 
 <h2 id="examples"> Examples </h2>
 
 <p>
 See the
-<a href="samples.html#chrome_url_overrides">override samples</a>.
+<a href="samples#chrome_url_overrides">override samples</a>.
 </p>