code: @Override
      public String dialogBlockEnd() {
  
          StringBuffer result = new StringBuffer(8);
          result.append(super.dialogBlockEnd());
          result.append(dialogSpacer());
          result.append("</td></tr>\n");
          return result.toString();
      }
docs: Builds the end HTML for a block with 3D border in the dialog content area.<p>
  
  @return 3D block start / end segment