code: public Ansi render(final String text, Object... args) {
          a(String.format(AnsiRenderer.render(text), args));
          return this;
      }
docs: String formats and renders the supplied arguments.  Uses the {@link AnsiRenderer}
  to generate the ANSI escape sequences.
  
  @param text format
  @param args arguments
  @return this
  
  @since 1.1