@Override
  public void appendElementReference(@NotNull StringBuilder buf, String url, String linkText, @NonNls String frameName) {
    buf.append(A_HREF_OPENING);
    buf.append(url);
    if (frameName != null) {
      final @NonNls String target = "\" target=\"";
      buf.append(target);
      buf.append(frameName);
    }

    buf.append("\">");
    buf.append(linkText);
    buf.append(A_CLOSING);
  }
@Override
  public void appendElementReference(@NotNull StringBuilder buf, String url, String linkText, @NonNls String frameName)