      <span class="comment">% midnight, so the number of days (and thus possibly months and</span>
0408         <span class="comment">% years) is unaffected.</span>
0409         <span class="keyword">if</span> mod(nMin + 1, 60) == 0
0410             <span class="comment">% Up the hour by one too</span>
0411             nHour = mod(nHour + 1, 24);
0412         <span class="keyword">end</span>
0413         nMin = mod(nMin + 1, 60);
0414         nSec = 0;
0415     <span class="keyword">end</span>
0416     nDat