@Nullable
  private static String convertInlineMarkup(@Nullable String s, boolean toHTML) {
    if (s == null) return null;
    MarkupConverter converter = toHTML ? new HTMLConverter() : new MarkupConverter();
    converter.appendWithMarkup(s);
    return converter.result();
  }
@Nullable
  private static String convertInlineMarkup(@Nullable String s, boolean toHTML)