This feed does not validate.
In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendations.
<feed xmlns="http://www.w3.org/2005/Atom"
<subtitle></subtitle>
^
<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<feed xmlns="http://www.w3.org/2005/Atom"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:flickr="urn:flickr:user"
xmlns:media="http://search.yahoo.com/mrss/">
<title>Ottawa Ving Tsun</title>
<link rel="self" href="http://api.flickr.com/services/feeds/groups_discuss.gne?id=1025626@N22&amp;lang=en-us&amp;format=rss_200" />
<link rel="alternate" type="text/html" href="https://www.flickr.com/groups/1025626@N22/"/>
<id>tag:flickr.com,2005:/group/1025626@N22</id>
<icon>https://combo.staticflickr.com/pw/images/buddyicon02_r.png#1025626@N22</icon>
<subtitle></subtitle>
<updated>2011-04-09T11:58:00Z</updated>
<generator uri="https://www.flickr.com/">Flickr</generator>
<entry>
<title>2011 Traditional Wushu, Wing Chun & Taiji Challenge</title>
<link rel="alternate" type="text/html" href="https://www.flickr.com/groups/1025626@N22/discuss/72157626335241269/"/>
<id>tag:flickr.com,2005:/grouptopic/72157626335241269</id>
<published>2011-04-09T11:58:00Z</published>
<updated>2011-04-09T11:58:00Z</updated>
<content type="html"><p><a href="https://www.flickr.com/people/32069669@N00/">Ottawa Kung Fu Centre</a> posted a new topic:</p>
<p>Saturday May 28th, 2011 Bell High School<br />
40 Cassidy Road Nepean, Ontario K2H 6K1<br />
Registration begins at 9:00<br />
Events start at 10:00<br />
5.00$ Admission for spectators</p>
</content>
<author>
<name>Ottawa Kung Fu Centre</name>
<uri>https://www.flickr.com/people/32069669@N00/</uri>
<flickr:nsid></flickr:nsid>
</author>
<displaycategories>
</displaycategories>
</entry>
<entry>
<title>We have moved!</title>
<link rel="alternate" type="text/html" href="https://www.flickr.com/groups/1025626@N22/discuss/72157620651356861/"/>
<id>tag:flickr.com,2005:/grouptopic/72157620651356861</id>
<published>2009-07-01T01:57:45Z</published>
<updated>2009-07-01T01:57:45Z</updated>
<content type="html"><p><a href="https://www.flickr.com/people/32069669@N00/">Ottawa Kung Fu Centre</a> posted a new topic:</p>
<p>Join us at our new location:<br />
Westboro Masonic Temple<br />
430 Churchill Avenue North<br />
Ottawa, ON<br />
<br />
View <a href="http://maps.google.ca/maps?f=q&amp;source=embed&amp;hl=en&amp;geocode=&amp;q=masonic+temple+ottawa&amp;sll=45.358177,-75.763435&amp;sspn=0.111454,0.220757&amp;gl=ca&amp;ie=UTF8&amp;ll=45.399414,-75.748672&amp;spn=0.014677,0.027595&amp;z=14&amp;iwloc=A&amp;cid=8394008550846583673" rel="noreferrer nofollow">Ottawa Kung Fu Centre</a> in a larger map</p>
</content>
<author>
<name>Ottawa Kung Fu Centre</name>
<uri>https://www.flickr.com/people/32069669@N00/</uri>
<flickr:nsid></flickr:nsid>
</author>
<displaycategories>
</displaycategories>
</entry>
<entry>
<title>Martial Arts Gala 2009</title>
<link rel="alternate" type="text/html" href="https://www.flickr.com/groups/1025626@N22/discuss/72157613160611173/"/>
<id>tag:flickr.com,2005:/grouptopic/72157613160611173</id>
<published>2009-01-31T20:28:28Z</published>
<updated>2009-01-31T20:28:28Z</updated>
<content type="html"><p><a href="https://www.flickr.com/people/32069669@N00/">Ottawa Kung Fu Centre</a> posted a new topic:</p>
<p>Video of our performance is now available. We are @ 5:36 of the Gala Video.<br />
<a href="http://video.google.com/videoplay?docid=-8532270633498666291&amp;hl=en" rel="noreferrer nofollow">video.google.com/videoplay?docid=-8532270633498666291&amp;amp...</a></p>
</content>
<author>
<name>Ottawa Kung Fu Centre</name>
<uri>https://www.flickr.com/people/32069669@N00/</uri>
<flickr:nsid></flickr:nsid>
</author>
<displaycategories>
</displaycategories>
</entry>
<entry>
<title>The Ottawa Kung Fu Centre to Demonstrate Ving Tsun at the 2009 Martial Arts Gala</title>
<link rel="alternate" type="text/html" href="https://www.flickr.com/groups/1025626@N22/discuss/72157612715789503/"/>
<id>tag:flickr.com,2005:/grouptopic/72157612715789503</id>
<published>2009-01-19T23:24:37Z</published>
<updated>2009-01-19T23:24:37Z</updated>
<content type="html"><p><a href="https://www.flickr.com/people/32069669@N00/">Ottawa Kung Fu Centre</a> posted a new topic:</p>
<p>The Ottawa Kung Fu Centre has been invited to Demonstrate Ving Tsun Kung Fu at the 2009 Martial Arts Gala:<br />
<br />
Date: January 24, 2009, Saturday 7pm<br />
Location: <br />
Kailash Mital Theatre<br />
(Alumni A), Southam Hall, <br />
Carleton University, Ottawa<br />
Tickets: $12 &amp; $18 <br />
More info at:<br />
<a href="http://daidogroup.tripod.com/gala2009.htm" rel="noreferrer nofollow">daidogroup.tripod.com/gala2009.htm</a></p>
</content>
<author>
<name>Ottawa Kung Fu Centre</name>
<uri>https://www.flickr.com/people/32069669@N00/</uri>
<flickr:nsid></flickr:nsid>
</author>
<displaycategories>
</displaycategories>
</entry>
</feed>