This library can parse RSS (RDF Site Summary) 1.0 with validation (or
non validation).

This library can almost well parse RSS 0.9x/2.0 with non validation.

This library contains a sample that expand [RAA:RWiki].

* output recent changes as RSS 1.0.
* collect RSS 1.0s and display those items sorted by updating time.
* collect RSSs and display those items on each page.

WWW: http://www.cozmixng.org/~rwiki/index.rb?cmd=view;name=RSS+Parser