def display_heading(text, level, indent)
      text = strip_attributes(text)
      case level
      when 1
        puts "= " + text.upcase
      when 2
        puts "-- " + text
      else
        print indent, text, "\n"
      end
    end
def display_heading(text, level, indent)
      text = strip_attributes(text)
      case level
      when 1
        puts "= " + text.upcase
      when 2
        puts "-- " + text
      else
        print indent, text, "\n"
      end
    end
Place heading level indicators inline with heading.