This module provides basic functions for handling mime-types.  It can
handle matching mime-types against a list of media-ranges.  See
section 14.1 of the HTTP specification [RFC 2616] for a complete
explanation:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.1

WWW: http://search.cpan.org/dist/Parse-MIME/