a really symple syndication feed is like a message feed that allows you to inform people of updates without using email. an example from my site (http://kayeskinner.com/feed2.xml):
Code:
<?xml version="1.0"?>
<rss version="2.0">
<channel>
<title>ben kaye-skinner</title>
<link>http://kayeskinner.com</link>
<description>kayeskinner.com updates</description>
<language>en-us</language>
<pubDate>Tue, 29 Jan 2008 23:00:00 CDT</pubDate>
<lastBuildDate>Tue, 29 Jan 2008 23:00:00 CDT</lastBuildDate>
<item>
<title>recording updated</title>
<description>a preview of &lt;span CLASS="poem"&gt;&lt;a HREF="http://kayeskinner.com/throughthelookingglass.php"&gt;Through the Looking Glass&lt;/a&gt;&lt;/span&gt; has been uploaded. you can listen to these fat new beats by &lt;a HREF="http://kayeskinner.com/audio/Through%20the%20Looking%20Glass.mp3"&gt;downloading&lt;/a&gt; the &lt;a HREF="http://www.finalemusic.com/"&gt;finale-generated&lt;/a&gt; recording. it will be premiered by doane college's symphonic wind ensemble on april 20th at 3:00. there is a &lt;a HREF="http://www.facebook.com/event.php?eid=7776938204"&gt;facebook event&lt;/a&gt; for this concert.</description>
<pubDate>Tue, 29 Jan 2008 23:15:00 CDT</pubDate>
</item>
<item>
<title>more stuff added</title>
<description>that's right - more stuff! a sample recording of &lt;a href="http://kayeskinner.com/audio/Jesu%20sample.mp3"&gt;Jesu, Joy of Man's Discomfort&lt;/a&gt;, the first sheet music on the site (&lt;a href="http://kayeskinner.com/images/Grace%20So%20Amazing.gif"&gt;Grace Amazing&lt;/a&gt; and &lt;a href="http://kayeskinner.com/images/La%20Rosa.gif"&gt;La Rosa: Flor de Amor) and an easter egg worth over $10,000 to the first person to find it!*&lt;br /&gt;&lt;br /&gt;*only two of those things are true.</description>
<pubDate>Tue, 29 Jan 2008 23:15:00 CDT</pubDate>
</item>
</channel>
</rss>
in order to post content that isn't just text you need to use the ASCII code for '<' and '>.'
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