title: Why heightForHeaderInSection doesn't work in iOS 4.3?
body: <p>Why heightForHeaderInSection and heightForFooterInSection doesn't work in iOS 4.3 and it works in 5.0?    </p>
  
  <pre><code>  -(CGFloat)tableView:(UITableView*)tableView heightForHeaderInSection:(NSInteger)section
    {
       if (section == 0) {
          return 10.0;
       }
       return (tableView.sectionHeaderHeight - 20);
    }
  
    -(CGFloat)tableView:(UITableView*)tableView heightForFooterInSection:(NSInteger)section
    {
       if (section == ([self.optionsArray count] - 1)) {
          return 15.0;
       }
       return (tableView.sectionFooterHeight - 20);
    }
  </code></pre>