i wrote the markup!

vans neh rss-nya

	
....
$news_data = $news->getHeadlineNews();
$smarty->assign('news_data',$news_data['newsList']);
.....
	
/*misalkan memakai switch() */
....
case 'rss':
	header(\"Content-Type:  text/xml\"); // set biar outputnya jadi xml
	$pt_smarty->display('rss.tpl');
break;
......
	
#rss.tpl
<rss version=\"2.0\">
<channel>
<title>some-title</title>
<link>http://www.some-url.com/</link>
<description>some-url rss feed</description>
{section name=news loop=$news_data}
<item>
 <title>{$news_data[news].title}</title>
 <description>
  <![CDATA[{$news_data[news].content|truncate:300:\"...\"}]]>
 </description>
 {* kalo mo di-truncate *}
 <pubdate>
 {$news_data[news].time|date_format:\"%a, %b %d %Y %H:%M:%S\"}
 </pubdate>
 <guid>
  news.php?action=open&id={$news_data[news].news_id}
 </guid>
 <link>
  news.php?action=open&id={$news_data[news].news_id}
 </link>
 </item>
 {* kalo mo pake {sectionelse} terserah, itu bisa juga *}
{/section}
</channel>
</rss>
	

kalo mau menambahkan element yang lain di <item>, semacam <category> dll, tinggal ditambahkan aja okeh, ciao!
sorry ada escape char-nya, itu harusnya gag ada.