XML instead of Html table

My sitemap at sitemap.xml doesn't contain any xml, I have inspected the source code. It only contains an html table. How can I fix this?

However sitemap.xsl contains xml but doesn't really contain anything:

This XML file does not appear to have any style information associated with it. The document tree is shown below.
<!--
Copyright (c) 2010 Dave Reid <http://drupal.org/user/53892> This file is free software: you may copy, redistribute and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version. This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. This file incorporates work covered by the following copyright and permission notice: Google Sitmaps Stylesheets (GSStylesheets) Project Home: http://sourceforge.net/projects/gstoolbox Copyright (c) 2005 Baccou Bonneville SARL (http://www.baccoubonneville.com) License http://www.gnu.org/copyleft/lesser.html GNU/LGPL
-->
<xsl:stylesheet xmlns:html="http://www.w3.org/TR/REC-html40" xmlns:sitemap="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0">
<xsl:output method="html" version="1.0" encoding="utf-8" indent="yes"/>
<!-- Root template -->
<xsl:template match="/">
<html>
<head>
<title>Sitemap file</title>
<script type="text/javascript" src="/misc/jquery.js"/>
<script type="text/javascript" src="/sites/all/modules/xmlsitemap/xsl/jquery.tablesorter.min.js"/>
<script type="text/javascript" src="/sites/all/modules/xmlsitemap/xsl/xmlsitemap.xsl.js"/>
<link href="/sites/all/modules/xmlsitemap/xsl/xmlsitemap.xsl.css" type="text/css" rel="stylesheet"/>
</head>
<!--
Store in $fileType if we are in a sitemap or in a siteindex
-->
<xsl:variable name="fileType">
<xsl:choose>
<xsl:when test="//sitemap:url">sitemap</xsl:when>
<xsl:otherwise>siteindex</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<body>
<h1>Sitemap file</h1>
<xsl:choose>
<xsl:when test="$fileType='sitemap'">
<xsl:call-template name="sitemapTable"/>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="siteindexTable"/>
</xsl:otherwise>
</xsl:choose>
<div id="footer">
<p>
Generated by the
<a href="http://drupal.org/project/xmlsitemap">Drupal XML sitemap module</a>
.
</p>
</div>
</body>
</html>
</xsl:template>
<!-- siteindexTable template -->
<xsl:template name="siteindexTable">
<div id="information">
<p>
Number of sitemaps in this index:
<xsl:value-of select="count(sitemap:sitemapindex/sitemap:sitemap)"/>
</p>
</div>
<table class="tablesorter siteindex">
<thead>
<tr>
<th>Sitemap URL</th>
<th>Last modification date</th>
</tr>
</thead>
<tbody>
<xsl:apply-templates select="sitemap:sitemapindex/sitemap:sitemap">
<xsl:sort select="sitemap:lastmod" order="descending"/>
</xsl:apply-templates>
</tbody>
</table>
</xsl:template>
<!-- sitemapTable template -->
<xsl:template name="sitemapTable">
<div id="information">
<p>
Number of URLs in this sitemap:
<xsl:value-of select="count(sitemap:urlset/sitemap:url)"/>
</p>
</div>
<table class="tablesorter sitemap">
<thead>
<tr>
<th>URL location</th>
<th>Last modification date</th>
<th>Change frequency</th>
<th>Priority</th>
</tr>
</thead>
<tbody>
<xsl:apply-templates select="sitemap:urlset/sitemap:url">
<xsl:sort select="sitemap:priority" order="descending"/>
</xsl:apply-templates>
</tbody>
</table>
</xsl:template>
<!-- sitemap:url template -->
<xsl:template match="sitemap:url">
<tr>
<td>
<xsl:variable name="sitemapURL">
<xsl:value-of select="sitemap:loc"/>
</xsl:variable>
<a href="{$sitemapURL}" ref="nofollow">
<xsl:value-of select="$sitemapURL"/>
</a>
</td>
<td>
<xsl:value-of select="sitemap:lastmod"/>
</td>
<td>
<xsl:value-of select="sitemap:changefreq"/>
</td>
<td>
<xsl:choose>
<!--
If priority is not defined, show the default value of 0.5
-->
<xsl:when test="sitemap:priority">
<xsl:value-of select="sitemap:priority"/>
</xsl:when>
<xsl:otherwise>0.5</xsl:otherwise>
</xsl:choose>
</td>
</tr>
</xsl:template>
<!-- sitemap:sitemap template -->
<xsl:template match="sitemap:sitemap">
<tr>
<td>
<xsl:variable name="sitemapURL">
<xsl:value-of select="sitemap:loc"/>
</xsl:variable>
<a href="{$sitemapURL}">
<xsl:value-of select="$sitemapURL"/>
</a>
</td>
<td>
<xsl:value-of select="sitemap:lastmod"/>
</td>
</tr>
</xsl:template>
</xsl:stylesheet>

Ok thanks. I understand now.