handle_tab_width

# File lib/rdoc/parser/c.rb, line 605
  def handle_tab_width(body)
    if /\t/ =~ body
      tab_width = @options.tab_width
      body.split(/\n/).map do |line|
        1 while line.gsub!(/\t+/) { ' ' * (tab_width*$&.length - $`.length % tab_width)}  && $~ #`
        line
      end .join("\n")
    else
      body
    end
  end