Forkparser

fixed bug capturing author and contributor URL; fixed bug resolving relative
links in author and contributor URL; fixed bug resolving relative links in
generator URL; added support for recognizing RSS 1.0; passed Simon Fell's
namespace tests, and included them permanently in the test suite with his
permission; fixed namespace handling under Python 2.1

Python 2.1

etc.) in embedded markup, in either HTML or XHTML form (<br>, <br/>, <br />)

added support to Atom 0.2 subtitle; added support for Atom content model
in copyright; better sanitizing of dangerous HTML elements with end tags
(script, frameset)

dangerous markup; fiddled with decodeEntities (not right); liberalized
date parsing even further