July 2004
Intermediate to advanced
479 pages
12h 30m
English
Content preview from XML Hacks
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Create an RSS 2.0 Document
Create an RSS 2.0 document from a template.
RSS 2.0 is an update of RSS 0.91, and so does not follow the RDF approach taken by RSS 1.0. After RSS 0.91 and RSS 1.0, it is the third most popular RSS format. You can find the spec for RSS 2.0 at http://blogs.law.harvard.edu/tech/rss. It is similar to RSS 0.91, but offers some clarifications and additional elements.
The following, news.xml , is a minimal example of RSS 2.0:
<rss version="2.0"> <channel> <title>Wy'east Communications</title> <link>http://www.wyeast.net</link> <description> Wy'east Communications is an XML consultancy.</description> <item> <title>Legend of Wy'east</title> <link>http://www.wyeast.net/wyeast.html</link> <description>The Native American story behind the name Wy'east.</description> </item> </channel> </rss>
Like RSS 0.91, RSS 2.0 doesn’t declare a namespace
for its own elements. Also like 0.91, rss is the
document element. It must have a version attribute
with a value of 2.0.
The channel element is required, as are its
children title, link, and
description. The language
element is required as a child of channel by 0.91,
but under 2.0 it is optional. The image element is
also required by 0.91; it’s optional under 2.0.
Table 6-2 compares the required and optional
elements of channel in 2.0 and 0.91. The purpose
of each is briefly described.
Table 6-2. Child elements of channel in RSS 2.0 and RSS 0.91
|
Element |
Purpose |
RSS 2.0 |
RSS 0.91 |
|---|---|---|---|
|
|
Title of channel |
Required |
Required |
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