s="nb">len</span><span class="o">=*</span><span class="p">),</span><span class="k">intent</span><span class="p">(</span><span class="n">in</span><span class="p">),</span><span class="k">optional</span><span class="w">     </span><span class="kd">::</span><span class="w"> </span><span class="n">delimiters</span><span class="w">       </span><span class="c">! list of separator characters</span>
<span class="kt">integer</span><span class="w">                                  </span><span class="kd">::</span><s