     
        <li>
          <span class="name">"gutter"</span>
          <span class="type">(<tt>String</tt>)</span>
          <span class="default">
            
              &mdash; default:
              <tt>nil</tt>
            
          </span>
          
            &mdash; <div class='inline'>
<p>the page gutter width (specify a string, see <span class='object_link'><a href="Utilities.html#value2twips-class_method" title="RRTF::Utilities.value2twips (method)">Utilities.value2twips</a></span>).</p>