"identifier">Tag</span><span class="special">,</span> <a class="link" href="listN.html" title="Struct template listN">proto::list1</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&gt;</span> <a name="boost.proto.unary_expr.proto_grammar"></a><span class="identifier">proto_grammar</span><span class="special">;</span>

  <span class="comment">// member classes/structs/unions</span>
  <span class="keyword">template</span><span class