u would define
        them on separate lines:</p>
        <div class="example">
        A<br>
        T
        </div>
        <p>Listing a letter like 'A' or 'T' is the simplest way to
        define a symbol but you can also specify a
        <a href="#spec_adv_sym">name and color</a> for each symbol.</p>
      </div>

      <h4 id="spec_ambig">Ambiguous Symbols and Aliases</h4>
      <div class="indent">
        <p>The ambiguous symbols of an alphabet are listed after all the core
        symbols have b