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HTML (via its relationship with SGML) supports a large number of characters that are 
outside the set supported by ISO 8859-1. These can be specified in the text by using
the E&ls;...> construct. These encodings are defined by ISO 10646, which is semi-informally
known as L<UNICODE|http://www.unicode.org/Public/5.0.0/ucd/UCD.html>.  For example, 
the "heart" symbol E&l;dhearts&gt;.
These are listed in section 24.3.1,
L<The list of characters|http://www.w3.org/TR/html4/sgml/entities.html#h-24.4.1>
of the HTML 4.01 specification.

=head1 EMBEDDED URIs

Pod::HtmlEasy scans text (but not verbatim text!) for embedded URIs, such as C<http://foo.bar.com>
that are I<not> embedded in L <...>. Schemes detected are http, https, file and ftp. References
of the form foo@bar.com are treated as mailto references and are translated accordingly.

Previous versions handled a more extensive list of URIs. It was thought that the overhead for
processing these other schemes was not justified by their utility. That is, not supported by
the Firefox browser. YMMV if you're using Internet Explorer!

=head1 EXTENDING POD