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@%META:TOPICINFO{author="TWikiContributor" date="1138082878" format="1.0" version="1"}%
---+ ATOM News Feeds

---++ Find out What's New

There are several ways to find out what's new in each TWiki web:
	1. Visit WebChanges to see recent changes
	1. Subscribed in WebNotify get notified of recent changes by e-mail
	1. Use a news readers such as TWiki:Plugins/HeadlinesPlugin to display the recent changes
		* The source can be a RSS 1.0 feed (WebRss) or ATOM 1.0 feed (WebAtom)
		* Learn more on RSS at WebRssBase and TWiki:Codev/TWikiSyndication
		* Learn more on ATOM at TWiki:Codev/AtomSyndication

---++ ATOM Feed Usage

	* The URL for an RSS feed is =%SCRIPTURL{view}%/&lt;web&gt;/WebAtom=
	* For this <nop>%WEB% web it is %SCRIPTURL{view}%/%WEB%/WebAtom
	* You can also create a custom feed based on a search. Add a =search=value= parameter to the URL, e.g. %SCRIPTURL%/view%SCRIPTSUFFIX%/%WEB%/WebAtom?search=plugin is a what's new feed about Plugins.

---++ ATOM Feed Internals

Each web has a WebAtom topic which includes part of this <nop>%TOPIC% topic. This topic is the base for the ATOM feed and generates an WebAtom 1.0 feed for TWiki:Codev/AtomSyndication.

The WebAtom topic in each web contains the following text:

-----
<pre>
&lt;title>&lt;nop>%<nop>WIKITOOLNAME%'s &lt;nop>%<nop>INCLUDINGWEB% web&lt;/title>
&lt;subtitle>(the description of the web, plain text with no markup and no wikiwords). TWiki is an Enterprise Collaboration Platform.&lt;/subtitle>
%<nop>INCLUDE{"%<nop>TWIKIWEB%.WebAtomBase"}% &lt;!--
	* Set <nop>SKIN = rss
--&gt;
</pre>
-----


Below part is included by each <nop>WebAtom topic:

-----
<verbatim>
%STARTINCLUDE%<link rel="self" type="application/atom+xml" href="%SCRIPTURL%/view%SCRIPTSUFFIX%/%INCLUDINGWEB%/%HOMETOPIC%"/>
<id>%SCRIPTURL%/view%SCRIPTSUFFIX%/%INCLUDINGWEB%</id>
<rights>%WEBRSSCOPYRIGHT%</rights>%CALC{$SET(c,0)}%
%SEARCH{"%URLPARAM{"search" default=".*" }%" web="%INCLUDINGWEB%" regex="on" nosearch="on" order="modified" reverse="on" nototal="on" limit="16" format="$percntCALC{$IF($GET(c)>0, , <updated>$isodate</updated>$CHAR(10))$SETM(c, +1)}$percnt<entry>$n <title>$topic</title>$n <link rel=\"alternate\" type=\"text/html\" href=\"%SCRIPTURL%/view%SCRIPTSUFFIX%/$web/$topic?t=$isodate\"/>$n <id>%SCRIPTURL%/view%SCRIPTSUFFIX%/$web/$topic</id>$n <updated>$isodate</updated>$n <summary>$summary (last changed by <nop>$wikiname)</summary>$n <author>$n  <name><nop>$wikiname</name></author>$n</entry>"}%
%STOPINCLUDE%
</verbatim>
-----

__See also__: WebRssBase, TWiki:Codev/AtomSyndication 

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