# File lib/optparse.rb, line 781
  def initialize(banner = nil, width = 32, indent = ' ' * 4)
    @stack = [DefaultList, List.new, List.new]
    @program_name = nil
    @banner = banner
    @summary_width = width
    @summary_indent = indent
    @default_argv = ARGV
    add_officious
    yield self if block_given?
  end