test.xml

<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0" xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle"  xmlns:dc="http://purl.org/dc/elements/1.1/">
   <channel>
        <title>ownDrop</title>
        <link>https://gist.githubusercontent.com/Leandros/c71305e756d155004550/raw/5c87b20515e094386a680d25a259498f817d201b/test.xml</link>
        <item>
            <title>Version 0.5.2</title>
            <description></description>
            <pubDate>Sat, 31 May 2014 21:15:00 +0200</pubDate>
            <sparkle:releaseNotesLink>https://raw.githubusercontent.com/Leandros/ownDrop/master/Changelog/0.5.1.html</sparkle:releaseNotesLink>
            <enclosure url="https://github.com/Leandros/ownDrop/releases/download/0.5.2/ownDrop-0.5.2.zip" sparkle:version="6" sparkle:shortVersionString="0.5.2" length="1129503" type="application/octet-stream" sparkle:dsaSignature="MCwCFEE/Eyq47mBVcm2XP68iqXola9qUAhRYZopgd9r0gVWStYy7zS79o7PRjg==" />
        </item>
    </channel>
</rss>