:program:`Universal Feed Parser` 3.1 was released on June 28, 2004.

• added and passed tests for converting :abbr:`HTML (HyperText Markup Language)` entities to Unicode equivalents in illformed feeds (aaronsw)
• added and passed tests for converting character entities to Unicode equivalents in illformed feeds (aaronsw)
• test for valid parsers when setting XML_AVAILABLE
• make version and encoding available when server returns a 304
• add handlers parameter to pass arbitrary :file:`urllib2` handlers (like digest auth or proxy support)
• add code to parse username/password out of url and send as basic authentication
• expose downloading-related exceptions in bozo_exception (aaronsw)
• added __contains__ method to FeedParserDict (aaronsw)
• added publisher_detail (aaronsw)