new

# File lib/rdoc/parsers/parse_rb.rb, line 348
    def initialize(content)
      if /\t/ =~ content
        tab_width = Options.instance.tab_width
        content = content.split(/\n/).map do |line|
          1 while line.gsub!(/\t+/) { ' ' * (tab_width*$&.length - $`.length % tab_width)}  && $~ #`
          line
        end .join("\n")
      end
      @content   = content
      @content << "\n" unless @content[-1,1] == "\n"
      @size      = @content.size
      @offset    = 0
      @hwm       = 0
      @line_num  = 1
      @read_back_offset = 0
      @last_newline = 0
      @newline_pending = false
    end