O'Reilly logo

RSS and Atom by Heinz Wittenbrink

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

2.6 Extension Modules

In contrast to its predecessors from the RSS 0.9x family, RSS 2.0 can be extended through modules. A module consists of XML elements that can perform additional functions. The elements of a module have to belong to their own defined XML namespace.

With the namespace mechanism, RSS 2.0 uses a technique that was introduced at an early stage of the development of XML to extend and to combine XML vocabularies. If you are not familiar with the namespace mechanism, you can learn as much about it as is necessary to read on from the appendix (see section A.1).

Modularization and extensibility are also characteristic of the other two syndication formats you see in this book: RSS 1.0 and Atom. Basically, modules that are used with RSS ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required