r>3</span><span class=special>&gt;  </span><span class=identifier>group</span><span class=special>;

            </span><span class=identifier>rule</span><span class=special>&lt;</span><span class=identifier>ScannerT</span><span class=special>&gt; </span><span class=identifier>first</span><span class=special>;
            </span><span class=identifier>rule</span><span class=special>&lt;</span><span class=identifier>ScannerT</span><span class=special>&gt; </span><span class=keyword>const</span><span class=sp