tifier">double_</span><span class="special">[</span><span class="identifier">ref</span><span class="special">(</span><span class="identifier">rN</span><span class="special">)</span> <span class="special">=</span> <span class="identifier">_1</span><span class="special">]</span>
            <span class="special">),</span>
            <span class="comment">//  End grammar</span>

            <span class="identifier">space</span><span class="special">);</span>

        <span class="keyword">if</span> <span clas