RSS FEED fejlfinding

hvad er der galt for altid fejl
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A semi colon character was expected. Error processing resource 'http://62.212.84.226/rssdd.xml'. Line 28, Position 59

<link>.....



/* RSS feeds */

if (($fd1 = @fopen("rss.xml", "w")) && ($fd2 = fopen("rssdd.xml", "w")))
{
$cats = "";
$res = mysql_query("SELECT id, name FROM categories");
while ($arr = mysql_fetch_assoc($res))
$cats[$arr["id"]] = $arr["name"];
$s = "<?xml version=\"1.0\" encoding=\"iso-8859-1\" ?>\n<rss version=\"0.91\">\n<channel>\n" .
"<title>XxX</title>\n<description>0-week torrents</description>\n<link>$DEFAULTBASEURL/</link>\n";
@fwrite($fd1, $s);
@fwrite($fd2, $s);
$r = mysql_query("SELECT id,name,descr,filename,category,owner FROM torrents ORDER BY added DESC LIMIT 15") or sqlerr(__FILE__, __LINE__);
while ($a = mysql_fetch_assoc($r))
{
$userres = mysql_query("SELECT username FROM users WHERE id = ".$a['owner']."") or die(mysql_error());
$user = mysql_fetch_assoc($userres);
$cat = $cats[$a["category"]];
$s = "<item>\n<title>" . htmlspecialchars($a["name"] . " (".htmlspecialchars($cat).")") ." by " . htmlspecialchars($user['username'])
. "</title>\n" .
"<description>" . htmlspecialchars($a["descr"]) . "</description>\n";
@fwrite($fd1, $s);
@fwrite($fd2, $s);
@fwrite($fd1, "<link>$DEFAULTBASEURL/details.php?id=$a[id]&amp;hit=1</link>\n</item>\n");
$filename = htmlspecialchars($a["filename"]);
@fwrite($fd2, "<link>$DEFAULTBASEURL/download.php?id=$a[id]&name=$filename</link>\n</item>\n");
}
$s = "</channel>\n</rss>\n";
@fwrite($fd1, $s);
@fwrite($fd2, $s);
@fclose($fd1);
@fclose($fd2);
}