w feature sets when developing content and when designing new user
agents.</li>

<li>Alternate ways of accessing the Internet are constantly being
introduced.  Some estimates indicate that by the year 2002, 75% of
Internet document viewing will be carried out on these alternate
platforms.  The XHTML family is designed with general user agent
interoperability in mind. Through a new user agent and document profiling
mechanism, servers, proxies, and user agents will be able to perform
best effort content trans