ode class="api-name">bind-custom-vars</code>, the extent of the assignment is limited by that form.</p>
</div>


<p>The following parameters identify the constructor handlers for atomic data:</p>

  <div class="api_docstring">
  <p class="api">[custom variable]
    <code class='api'><span class="api-name"> *boolean-handler* </span></code>
<span class='accessory'>(indicator: <code class='arg-key'>:boolean</code>)</span>
  </p>
<p class='docstring'>
Designator for a function of 1 string argument (boolean toke