al arguments."</span>
 [<span class="mdzsyn-symbol">a</span> <span class="mdzsyn-symbol">b</span> <span class="mdzsyn-symbol">c</span> <span class="mdzsyn-symbol">&amp;opt</span> <span class="mdzsyn-symbol">d</span> <span class="mdzsyn-symbol">e</span> <span class="mdzsyn-symbol">f</span>]
 (<span class="mdzsyn-coresym">default</span> <span class="mdzsyn-symbol">d</span> <span class="mdzsyn-number">10</span>)
 (<span class="mdzsyn-coresym">default</span> <span class="mdzsyn-symbol">e</span> <span class="mdz