 If set, this flag instructs
                      the real number generator to emit trailing zeros up to the
                      required precision digits (as returned by the <code class="computeroutput"><span class="identifier">precision</span><span class="special">()</span></code>
                      function).
                    </p>
                    <p>
                      <code class="computeroutput"><span class="identifier">n</span></code> is the real
                      number to output.