# File lib/rdoc/markup/to_ansi.rb, line 9
  def initialize markup = nil
    super

    @headings.clear
    @headings[1] = ["\e[1;32m", "\e[m"] # bold
    @headings[2] = ["\e[4;32m", "\e[m"] # underline
    @headings[3] = ["\e[32m",   "\e[m"] # just green
  end