# File lib/highline.rb, line 147
  def initialize( input = $stdin, output = $stdout,
                  wrap_at = nil, page_at = nil )
    @input   = input
    @output  = output
    
    self.wrap_at = wrap_at
    self.page_at = page_at
    
    @question = nil
    @answer   = nil
    @menu     = nil
    @header   = nil
    @prompt   = nil
    @gather   = nil
    @answers  = nil
    @key      = nil
  end