jitsi/resources/install/macosx/sparkle-files/updates.xml

<?xml version="1.0" encoding="utf-8"?> 
<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:sparkle="http://www.andymatuschak.org/xml-namespaces/sparkle"> 
    <channel> 
        <title>@APP_NAME@ (Build @BUILD@) Changelog</title>
        <link>@SPARKLE_UPDATES@</link>
        <description>Build @BUILD@ for MacOSX generated on @DATE@.</description>
        <language>en</language> 
        <item> 
            <title>Build @BUILD@</title>
            <description>@SPARKLE_INDEX@</description>
            <pubDate>@DATE@</pubDate>
            <enclosure sparkle:version="@BUILD@"
               url="@DOWNLOAD_DMG_LINK@"
               length="@LEN@"
               type="application/octet-stream"
               sparkle:dsaSignature="@SIGNATURE@"
            />
            <sparkle:deltas>
            @SPARKLE_DELTAS@
            </sparkle:deltas>
        </item> 
    </channel> 
</rss>