of these attributes
must be unique within the document, valid, and any references to these
fragment identifiers (both
internal and external) must be updated should the values be changed during
conversion.</p>
<p>Finally, note that XHTML 1.0 has deprecated the
<code>name</code> attribute of the <code>a</code>, <code>applet</code>, <code>frame</code>, <code>iframe</code>, <code>img</code>, and <code>map</code>
elements, and it will be
removed from XHTML in subsequent versions.</p>

<h2>C.9 Character Encoding<