FYI... in case any of you hadn't seen this yet:
http://msdn.microsoft.com/xml/rss/sse/
It basically just adds related links and version/changing history to RSS
along with a corresponding processing model for synchronizing multiple
feeds.
<channel>
<sx:sharing
since="Tue, 1 November 2004 09:43:33 GMT"
until="Fri, 1 March 2005 09:43:33 GMT" >
<sx:related link="http://x.com/all.xml" type="complete" />
<sx:related link="http://y.net/B.xml" type="aggregated"
<title>Family Contacts (Dad's Copy)</title>
</sx:related>
<sx:related link="http://y.net/C.xml" type="aggregated" >
<title>Family Contacts (Suzy's Copy)</title>
</sx:related>
</sx:sharing>
...
<item>
<description>This is a test item</description>
<sx:sync id="0a7903db47fb0ae8" version="4">
<sx:history when="Tue, 24 May 2005 09:43:33 GMT"
by="REO1750">
<sx:update when="Mon, 23 May 2005 09:43:33 GMT"
by="REO1750" />
<sx:update when="Sun, 22 May 2005 09:43:33 GMT"
by="REO1750" />
<sx:update when="Sat, 21 May 2005 09:43:33 GMT"
by="REO1750" />
</sx:history>
</sx:sync>
</item>
</channel>
It's interesting to see that they've reinvented related links and have
introduced a globally unique id and updated bits to the RSS feed.
--
- James
Be a catalyst for change
http://www.habitatjam.com/