function publishRSS($blogid, $data) {
   $context = Model_Context::getInstance();
   $blogid = getBlogId();
   ob_start();
   echo '<?xml version="1.0" encoding="UTF-8"?>', CRLF;
   echo '<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">', CRLF;
   echo '    <channel>',  CRLF;
   echo '        <title>', htmlspecialchars($data['channel']['title'], ENT_QUOTES), '</title>', CRLF;
   echo '        <link>', $data['channel']['link'], '</link>', CRLF;
   echo '        <description>', htmlspecialchars($data['channel']['description'], ENT_QUOTES), '</description>', CRLF;
   echo '        <language>', $data['channel']['language'], '</language>', CRLF;
   echo '        <pubDate>', Timestamp::getRFC1123($data['channel']['pubDate']), '</pubDate>', CRLF;
   echo '        <generator>', $data['channel']['generator'], '</generator>', CRLF;
   if(!empty($data['channel']['feed_link'])) {
      echo '        <atom:link href="', $data['channel']['feed_link'] , '" rel="self" type="application/rss+xml" />', CRLF;
   }
    
   if ($context->getProperty('blog.logo') && file_exists(ROOT."/attach/$blogid/{$context->getProperty('blog.logo')}")) {
      echo '        <image>', CRLF;
      echo '        <title>', htmlspecialchars($data['channel']['title'], ENT_QUOTES), '</title>', CRLF;
      echo '        <url>', $data['channel']['url'], '</url>', CRLF;
      echo '        <link>', $data['channel']['link'], '</link>', CRLF;
//   echo '        <width>', $data['channel']['width'], '</width>', CRLF;
//   echo '        <height>', $data['channel']['height'], '</height>', CRLF;
      echo '        <description>', htmlspecialchars($data['channel']['description'], ENT_QUOTES), '</description>', CRLF;
      echo '        </image>', CRLF;
}