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Content Syndication with RSS
book

Content Syndication with RSS

by Ben Hammersley
March 2003
Intermediate to advanced
224 pages
6h 27m
English
O'Reilly Media, Inc.
Content preview from Content Syndication with RSS

RSS 0.92

RSS 0.92 followed 0.91 in December 2000. It is a historic curiosity that RSS 0.92 actually followed RSS 1.0 by two weeks. By this time, Netscape’s interest in all things RSS had waned, and the job of formalizing the latest developments in the simpler side of RSS was taken up by Userland’s Dave Winer, building on his previous role of elucidating the RSS 0.91 specification. The 0.92 specification builds extensively on 0.91 and is upwardly compatible with it. Therefore, all 0.91 files are also valid 0.92 files.

Changes to Existing Elements

  • <rss version="0.91"> becomes <rss version="0.92">.

  • All character limits are now removed. Elements can be as long as you like.

  • You can have as many item elements as you like.

  • All subelements of item are optional.

  • language is now optional.

New Elements to RSS 0.92

RSS 0.92 also introduced four new elements into RSS:

<source url="">

An optional subelement of item. It should contain the name of the RSS feed of the site from which the item is derived, and the attribute url should be the URL of the other site’s RSS feed.

<enclosure url="" length="" type=""/>

An optional subelement of item used to describe a file associated with an item. It has no content, but it takes three attributes: url is the URL of the enclosure, length is its size in bytes, and type is the standard MIME type for the enclosure.

<category domain="">

An optional subelement of item that takes one attribute, domain. The value of category should be a forward slash-separated ...

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Publisher Resources

ISBN: 0596003838Catalog PageErrata