# File lib/more/facets/argvector.rb, line 316
  def multi_flag(args=nil)
    args ||= argv
    args.collect { |arg|
      if md = /^-(\w{2,})/.match( arg )
        md[1].split(//).collect { |c| "-#{c}" }
      else
        arg.dup
      end
    }.flatten
  end