Remove .html extension from links

chrome/common/extensions/docs/templates/intros/contentSettings.html

 <h2 id="manifest">Manifest</h2>
 <p>You must declare the "contentSettings" permission
 in your extension's manifest to use the API.
 For example:</p>
 <pre data-filename="manifest.json">
 {
   "name": "My extension",
   ...
   <b>"permissions": [
     "contentSettings"
   ]</b>,
   ...
 }
 </pre>
 
 
 <h2 id="patterns">Content setting patterns</h2>
 <p>
 You can use patterns to specify the websites that each content setting affects.
 For example, <code>http://*.youtube.com/*</code> specifies youtube.com and all
 of its subdomains. The syntax for content setting patterns is the same as for
-<a href="match_patterns.html">match patterns</a>, with a few differences:
+<a href="match_patterns">match patterns</a>, with a few differences:
 <ul><li>For <code>http</code>,
 <code>https</code>, and <code>ftp</code> URLs, the path must be a wildcard
 (<code>/*</code>). For <code>file</code> URLs, the path must be completely
 specified and <strong>must not</strong> contain wildcards.</li>
 <li>In contrast to match patterns, content setting patterns can specify a port
 number. If a port number is specified, the pattern only matches websites with
 that port. If no port number is specified, the pattern matches all ports.
 </li>
 </ul>
 </p>
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 You can get a list of resource identifiers for a content type by calling the
 $(ref:contentSettings.ContentSetting.getResourceIdentifiers) method. The returned list
 can change with the set of installed plug-ins on the user's machine, but Chrome
 tries to keep the identifiers stable across plug-in updates.
 </p>
 
 <h2 id="examples">Examples</h2>
 
 <p>
 You can find samples of this API on the
-<a href="samples.html#contentSettings">sample page</a>.
+<a href="samples#contentSettings">sample page</a>.
 </p>