. 
Applications need to adapt to this
accordingly.</li>
</ol>

<h2>C.12 Using Ampersands in Attribute Values</h2>
<p>
When an attribute value contains an ampersand, it must be expressed as a character
entity reference
(e.g. "<code>&amp;amp;</code>"). For example, when the
<code>href</code> attribute
of the <code>a</code> element refers to a
CGI script that takes parameters, it must be expressed as
<code>http://my.site.dom/cgi-bin/myscript.pl?class=guest&amp;amp;name=user</code>
rather than as
<code>http://m