my $self = shift;
my ($name, $value, $attr) = $self->_attr(2, @_);
$attr->{name } = $name if defined $name;
$attr->{value} = $value if defined $value;
my $self = shift;
my ($name, $value, $attr) = $self->_attr(2, @_);
$attr->{name } = $name if defined $name;
$attr->{value} = $value if defined $value;