note that ...T is not yet implemented.

R=rsc
CC=golang-dev
https://golang.org/cl/194114

Author: robpike

doc/go_spec.html

@@ -4778,4 +4778,5 @@ <h2 id="Implementation_differences"><span class="alert">Implementation differenc
 	<li><span class="alert">Implementation does not honor the restriction on goto statements and targets (no intervening declarations).</span></li>
 	<li><span class="alert">Method expressions are not implemented.</span></li>
 	<li><span class="alert">Gccgo allows only one init() function per source file.</span></li>
+	<li>Formal parameters with specified type <code>... T</code> are not implemented.</li>
 </ul>