sub new
  { my ($class, %args) = @_;
    my $handlers;

    # change all nice_perlish_names into nicePerlishNames
    %args= _normalize_args( %args);

    # check options
    unless( $args{MoreOptions})
      { foreach my $arg (keys %args)
        { carp "invalid option $arg" unless $valid_option{$arg}; }
      }
     
    # a twig is really an XML::Parser
    # my $self= XML::Parser->new(%args);
    my $self;
    $self= XML::Parser->new(%args);   

    bless $self, $class;

    #... yadda yadda