[NaCl SDK Docs] Only generate one top-level <section> element.

native_client_sdk/doc_generated/sdk/download.html

 {{+bindTo:partials.standard_nacl_article}}
 
 <section id="download-the-native-client-sdk">
 <span id="download"></span><h1 id="download-the-native-client-sdk"><span id="download"></span>Download the Native Client SDK</h1>
 <p>To build Native Client modules, you must download and install the Native
 Client Software Development Kit (SDK). This page provides an overview
 of the Native Client SDK, and instructions for how to download and
 install the SDK.</p>
-<section id="overview">
 <h2 id="overview">Overview</h2>
 <p>The Native Client SDK includes the following:</p>
 <dl class="docutils">
 <dt>support for multiple Pepper versions</dt>
 <dd>The SDK contains <strong>bundles</strong> that let you compile Native Client modules
 using different versions of the
 <a class="reference internal" href="/native-client/overview.html#link-pepper"><em>Pepper Plugin API</em></a> (e.g., Pepper 31 or Pepper Canary). Review the
 <a class="reference internal" href="/native-client/sdk/release-notes.html"><em>Release Notes</em></a> for a description of the new features
 included in each Pepper version to help you decide which bundle to
 use to develop your application. In general, Native Client modules
@@ skipping 17 matching lines @@
 <dt>examples</dt>
 <dd>Each example in the SDK includes C or C++ source files and header files
 illustrating how to use NaCl and Pepper, along with a Makefile to build
 the example using each of the toolchains.</dd>
 <dt>tools</dt>
 <dd>The SDK includes a number of additional tools that you can use for
 tasks such as validating Native Client modules and running modules
 from the command line.</dd>
 </dl>
 <p>Follow the steps below to download and install the Native Client SDK.</p>
-</section><section id="prerequisites">
 <h2 id="prerequisites">Prerequisites</h2>
 <ul class="small-gap">
 <li><p class="first"><strong>Python:</strong> Make sure you have Python 2.6 or 2.7 installed, and that the
 Python executable is in your path.</p>
 <ul class="small-gap">
 <li>On Mac/Linux, Python is likely preinstalled. Run the command <code>&quot;python
 -V</code>&#8221; in a terminal window, and make sure that the version of Python you
 have is 2.6.x or 2.7.x (if it&#8217;s not, upgrade to one of those versions).</li>
 <li>On Windows, you may need to install Python. Go to
 <a class="reference external" href="http://www.python.org/download/">http://www.python.org/download/</a> and
@@ skipping 10 matching lines @@
 before you can build and run the examples in the SDK. One easy way to get
 <code>make</code>, along with several other useful tools, is to install
 <a class="reference external" href="https://developer.apple.com/technologies/tools/">Xcode Developer Tools</a>.
 After installing Xcode, go to the Preferences menu, select
 Downloads and Components, and verify that Command Line Tools are installed.
 If you&#8217;d rather not install Xcode, you can download and build an
 <a class="reference external" href="http://mac.softpedia.com/dyn-postdownload.php?p=44632&amp;t=4&amp;i=1">open source version</a> of
 <code>make</code>. In order to build the command you may also need to download and
 install a copy of <a class="reference external" href="https://github.com/kennethreitz/osx-gcc-installer">gcc</a>.</li>
 </ul>
-</section><section id="download-and-install-the-sdk">
 <h2 id="download-and-install-the-sdk">Download and install the SDK</h2>
 <ol class="arabic">
 <li><p class="first">Download the SDK update utility: <a class="reference external" href="http://storage.googleapis.com/nativeclient-mirror/nacl/nacl_sdk/nacl_sdk.zip">nacl_sdk.zip</a>.</p>
 </li>
 <li><p class="first">Unzip the SDK update utility:</p>
 <ul class="small-gap">
 <li><p class="first">On Mac/Linux, run the command &#8220;<code>unzip nacl_sdk.zip</code>&#8221; in a terminal
 window.</p>
 </li>
 <li><p class="first">On Windows, right-click on the .zip file and select &#8220;Extract All...&#8221;. A
@@ skipping 73 matching lines @@
 <pre class="prettyprint">
 $ ./naclsdk update pepper_32
 </pre>
 <p>Note that you never need to update the <code>sdk_tools</code> bundle&#8212;it is
 updated automatically (if necessary) whenever you run <code>naclsdk</code>.</p>
 </li>
 </ol>
 <aside class="note">
 The minimum SDK bundle that supports PNaCl is <code>pepper_31</code>.
 </aside>
-</section><section id="staying-up-to-date-and-getting-new-versions-of-bundles">
 <h2 id="staying-up-to-date-and-getting-new-versions-of-bundles">Staying up-to-date and getting new versions of bundles</h2>
 <ol class="arabic">
 <li><p class="first">Run <code>naclsdk</code> with the &#8220;list&#8221; command again; this will show you the list of
 available bundles and verify which bundles you have installed.</p>
 <p>On Mac/Linux:</p>
 <pre class="prettyprint">
 $ ./naclsdk list
 </pre>
 <p>On Windows:</p>
 <pre class="prettyprint">
@@ skipping 83 matching lines @@
 <p>Next steps:</p>
 <ul class="small-gap">
 <li>Browse through the <a class="reference internal" href="/native-client/sdk/release-notes.html"><em>Release Notes</em></a> for important
 information about the SDK and new bundles.</li>
 <li>If you&#8217;re just getting started with Native Client, we recommend reading
 the <a class="reference internal" href="/native-client/overview.html"><em>Technical Overview</em></a> and walking through the
 <a class="reference internal" href="/native-client/devguide/tutorial/tutorial-part1.html"><em>Getting Started Tutorial</em></a>.</li>
 <li>If you&#8217;d rather dive into information about the toolchains, see
 <a class="reference internal" href="/native-client/devguide/devcycle/building.html"><em>Building Native Client Modules</em></a>.</li>
 </ul>
-</section></section>
+</section>
 
 {{/partials.standard_nacl_article}}