leading zeroes into blanks.
          </p></li><li class="listitem"><p>
           <code class="literal">&lt;</code> - left-justify the number in the string.
          </p></li><li class="listitem"><p>
           <code class="literal">,</code> (comma) - group numbers of four or more digits
           into groups of three digits separated by a comma.
          </p></li><li class="listitem"><p>
           <code class="literal">.</code> (period) - this character separates the
           whole-number part of th