code: function SetWordWrap() {
          if($this->WordWrap < 1)
              return;
              
          switch($this->message_type)
          {
             case "alt":
                // fall through
             case "alt_attachments":
                $this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
                break;
             default:
                $this->Body = $this->WrapText($this->Body, $this->WordWrap);
                break;
          }
      }
docs: Set the body wrapping.
  @access private
  @return void