Definitions

RSS 0.91

Code	Example	Description
<?xml version="1.0"?>	N/A	Defines the document as XML 1.0.
<rss version="0.91">	N/A	Defines the document as RSS 2.0, and begins the RSS namespace.
*channel	N/A	Begins the channel namespace.
*title	Recipes	Title of the feed. It often matches the title of the originating HTML document.
*link	http://www.example.com	The URL back to the corresponding HTML page.
*description	Recipes for the computer hacker and culinary slacker	Phrase or sentence describing the channel.
*language	en	Defines the language the feed will be provided in. For a full listing of appropriate codes, see http://www.w3.org/TR/REC-html40/struct/dirlang.html#langcodes.
copyright	2005 Paul Reinheimer	Defines the copyright restrictions on the document.
managingEditor	[e-mail] (Paul Reinheimer)	The email address for the managing editor for the feed. Note that this element must contain a valid email address if present.
webMaster	[e-mail] (Jon Doe)	Address for the webmaster of the feed. Note that this element must contain a valid address if present.
pubDate	Sat, 07 Sep 2002 00:00:01 GMT	The publication date for the data within the channel. Date should be in the format specified in RFC 822; four year date preferred.
lastBuildDate	Sat, 07 Sep 2002 09:42:31 GMT	The last time content in the channel was modified.
docs	http://my.netscape.com/publish/formats/rss-spec-091.html	URL that points to the documentation to the feed.
image		Parent for the next five elements.
*url	http://example.org/logo.png	Address where the image can be located.
*title	Our Logo	Title for the image, just like HTML.
*link	http://example.org/	Address where users should be sent after clicking on the image.
description	Stylized PHP logo	Description of the image.
width	88	Width of the image, maximum of 144.
height	25	Height of the image, maximum of 400.
rating		The PICS rating for the channel, see http://www.w3.org/TR/rdf-pics for more information.
textInput		Parent for the next four elements, most aggregators ignore this.
title	Submit	Label for the Submit button.
description	Enter comments here	Explains the text input area.
name	txtComments	Name for the text input area.
link	http://example.org/scripts/comments.php	Address of the script that processes the input.
skipHours	<hour>0</hour><hour>1</hour>	A set of up to 24 integers (0–24) indicating which hours aggregators may skip reading the feed.
skipDays	<day>Saturday</day> <day>Sunday</day>	A set of up to seven days (Sunday–Saturday) indicating which days aggregators may skip reading the feed.
Item		Parent for the next set of elements.
title	PHP 5.0.3 Released	Title for the element.
link	http://example.org/news/story.php?item=142	Link to the story in question. Note that it should link to the story, not the root page for the site.
description	The PHP team is proud to announce the release of PHP 5.0.3, which contains several important bug fixes and security updates	Description for the element in question.

RSS 1.0

Code	Example	Description
<?xml version="1.0"?>	N/A	Defines the document as XML 1.0.
<rdf:RDF>	N/A	Defines the document as RSS 2.0, and begins the RSS namespace.
<channel>	N/A	Begins the channel namespace.
<title>	Recipes	Title of the feed. It often matches the title of the originating HTML document.
<link>	http://www.example.com	The URL back to the corresponding HTML page.
<description>	Recipes for the computer hacker and culinary slacker	Phrase or sentence describing the channel.
image		Parent for the next five elements.
url	http://example.org/logo.png	Address where the image can be located.
title	Our Logo	Title for the image, just like HTML.
Link	http://example.org/	Address where users should be sent after clicking on the image.
textInput		Parent for the next four elements. Most aggregators ignore this.
title	Submit	Label for the submit button.
description	Enter comments here	Explains the text input area.
name	txtComments	Name for the text input area.
link	http://example.org/scripts/comments.php	Address of the script that processes the input.
Item		Parent for the next set of elements
title	PHP 5.0.3 Released	Title for the element.
link	http://example.org/news/story.php?item=142	Link to the story in question; note that it should link to the story, not the root page for the site.
description	The PHP team is proud to announce the release of PHP 5.0.3, which contains several important bug fixes and security updates	Description for the element in question.

RSS 2.0

Code	Example	Description
<?xml version="1.0"?>	N/A	Defines the document as XML 1.0.
<rss version="2.0">	N/A	Defines the document as RSS 2.0, and begins the RSS namespace.
<channel>	N/A	Begins the channel namespace.
<title>	Recipes	Title of the feed; it often matches the title of the originating HTML document.
<link>	http://www.example.com	The URL back to the corresponding HTML page.
<description>	Recipes for the computer hacker and culinary slacker	Phrase or sentence describing the channel.
<language>	en	Defines the language the feed will be provided in. For a full listing of appropriate codes, see http://www.w3.org/TR/REC-html40/struct/dirlang.html#langcodes.
<copyright>	2005 Paul Reinheimer	Defines the copyright restrictions on the document.
managingEditor	[e-mail] (Paul Reinheimer)	The email address for the managing editor for the feed. Note that this element must contain a valid email address if present.
webMaster	webmasater@preinheimer .com (Jon Doe)	Address for the webmaster of the feed. Note that this element must contain a valid address if present.
pubDate	Sat, 07 Sep 2002 00:00:01 GMT	The publication date for the data within the channel. Date should be in the format specified in RFC 822; four year date preferred.
lastBuildDate	Sat, 07 Sep 2002 09:42:31 GMT	The last time content in the channel was modified.
category	News	Defines the category the feed belongs to, one optional attribute domain, used with forward slashes either to define the location of the category within a hierarchy, or to define the root page for the category in question.
generator	Serendipity 0.7.1 - http://www.s9y.org/	Defines the program used to generate the feed.
docs	http://blogs.law.harvard.edu/tech/rss#syndic8	URL that points to the documentation to the feed.
cloud	cloud domain="rpc.sys .com"port="80" path="/ RPC2" registerProcedure= "pingMe" protocol="soap"	Allows a process to register itself to be informed when the feed is updated.
ttl	60	Amount of time, in minutes, a channel can be cached before refreshing from the source.
image		Parent for the next five elements.
url	http://example.org/logo.png	Address where the image can be located.
title	Our Logo	Title for the image, just like HTML.
Link	http://example.org/	Address where users should be sent after clicking on the image.
Width	88	Width of the image, maximum of 144.
Height	25	Height of the image, maximum of 400.
Rating		The PICS rating for the channel; see www.w3.org/TR/rdf-pics for more information.
textInput		Parent for the next four elements. Most aggregators ignore this.
title	Submit	Label for the submit button.
description	Enter comments here	Explains the text input area.
name	txtComments	Name for the text input area.
link	http://example.org/scripts/comments.php	Address of the script that processes the input.
skipHours	<hour>0</hour><hour>1</hour>	A set of up to 24 integers (0–24) indicating which hours aggregators may skip reading the feed.
skipDays	<day>Saturday</day><day>Sunday</day>	A set of up to seven days (Sunday–Saturday) indicating which days aggregators may skip reading the feed.
Item		Parent for the next set of elements.
title	PHP 5.0.3 Released	Title for the element.
link	http://example.org/news/story.php?item=142	Link to the story in question; note that it should link to the story, not the root page for the site.
description	The PHP team is proud to announce the release of PHP 5.0.3, which contains several important bug fixes and security updates	Description for the element in question.
Author	PHP Team	Author of the item.
Category	Releases	Defines the category the item belongs to, one optional attribute domain, used with forward slashes either to define the location of the category within a hierarchy, or to define the root page for the category in question.
Comments	http://example.org/comments.php?story=142	URL for a page containing comments for the item.
Enclosure	url="http://www.wroxnews.com/feedusage.pdf" length="38642" type="application/pdf"	Attaches a file to a specific item within the channel. url is the address for the resource, length is the length of the resource in bytes, and type is the media type for the resource.
Guid	<guid isPermaLink="true"> ">http://example.org/story.php?story=142</guid>	Stands for globally unique identifier. This value should be unique across all items on the blog. Often the URL of the site or the feed is used as a portion of the value for two reasons: first, to ensure that it is unique across feeds, and second, when the isPerma-Link attribute is set to true, to provide a permanent link to the item.
pubDate	Sat, 07 Sep 2002 06:12:11 GMT	Publication date for the item, same format as previous date elements.
source	<source url="http://example.net/story">example.net</source>	Reference a source for the item in question, optionally include a URL for that source.

ATOM 0.3

Code	Example	Description
<?xml version="1.0"?>		Defines the document as XML 1.0.
<feed version="0.3" xmlns="http://purl.org/atom/ns#">		Declares the document as a version 0.3 feed, and includes the root level xml atom namespace.
title	Example.com's New Feed	Title for the feed.
link	<link rel="alternate" type="text/html" href="http://example.org/"/>	Link to root page for the site providing the feed.
*modified	2005-1-9T19:14:15Z	Date and time the feed was last modified GMT, reading (year)-(month)-(day)T(24 hour):(minute):(second)Z, with the T standing for time, and the Z for Zulu, or GMT.
*author	Paul Reinheimer	Author of the feed, required unless every entry element contains an author element.
contributor	Chris Shiflett	Lists people who contributed to the feed; feed may have multiple contributor elements.
tagline	Cool Example Feed	Human-readable description or tagline for the feed.
generator	<generator url="http://example.org/generator/" version="2.1">Example Feed Generator</generator>	Lists information on the software used to generate the feed.
copyright	Copyright (C) 2004, Paul Reinheimer	Lists copyright information for the feed.
info	ATOM 0.3 Feed	Human-readable information about the feed format.
entry		Parent for the next ##TODO## children.
*title	New Feed Launched	Title for the entry.
*link	<link rel="alternate" type="text/html" href= "http://example.org/feed.php?entry=1"/>	Link for URL associated with the entry; an entry may contain multiple link elements, as long as the "type" attribute differs.
author	Paul Reinheimer	Author of the entry, required if there is no root author element. Must not be present if there is a root author element.
contributor	Chris Shiflett	Lists people who contributed to the feed; feed may have multiple contributor elements.
id	1	Globally unique identifier for the entry; must be unique for the feed and may not change over time.
*modified	2005-1-9T19:14:15Z	Date and time the entry was last modified, same format as root modified element.
*issued	2005-1-9T17:14:15Z	Date and time the entry was first published.
created	2005-1-9T17:14:15Z	Date and time the entry was created, if not present it is assumed to match issued.
summary	Example.org is pleased to announce the publication of a new feed in the ATOM format.	A short summary of the entry.
content	Example.org is pleased to announce the publication of a new feed in the ATOM format. We will be using this feed to keep our loyal users in the loop with all of our new developments.	Full content of the entry.