sub new { 
    my ($class,$args_for) = @_; 
    my $self = bless {} => $class;
    $self->_initialize($args_for); 
    return $self;
} 

sub new { 
    my ($class,$args_for) = @_; 
    my $self = bless {} , $class;
    $self->_initialize($args_for); 
    return $self; 
}

##</code><code>##

# this will fail, because 'a' is unquoted

my %hash = (a, 1);

# same thing, but with fat-comma, which quotes 'a'.
# this won't break things

my %hash = (a => 1);