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RSS and Atom by Heinz Wittenbrink

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3.4 Modules for Metadata

As you have already seen in the introduction to this chapter, RSS 1.0 differs from RSS 2.0 and Atom insofar as its vocabulary remains restricted to the core of the language. However, it doesn’t fall short in its expression, because it is extensible through modules in many ways.

The developers of the standard accepted three core modules with the RSS 1.0 vocabulary. These are components of the language although they belong to different namespaces. A

considerable number of additional modules have been suggested until today. The modularization made RSS 1.0 a frontrunner among the XML vocabularies. It wasn’t until years later that other XML dialects, like Scalable Vector Graphics (SVG; http://www.w3.org/Graphics/SVG/) and Synchronized ...

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