er</li>
<li>NewChunkedWriter</li>
<li>NewClientConn</li>
<li>NewProxyClientConn</li>
<li>NewServerConn</li>
<li>NewSingleHostReverseProxy</li>
<li>ReverseProxy</li>
<li>ServerConn</li>
</ul>

<p>
The <code>Request.RawURL</code> field has been removed; it was a
historical artifact.
</p>

<p>
The <code>Handle</code> and <code>HandleFunc</code>
functions, and the similarly-named methods of <code>ServeMux</code>,
now panic if an attempt is made to register the same pattern twice.
</p>

<p>
<em>Updating</em>:
Ru