# This:

$cgi = CGI::self_or_default if $cgi and ! ref $cgi;

# is not equivalent to this:

$cgi = CGI::self_or_default if ! ref $cgi;

##</code><code>##

print $foo->list_params( 1 );

##</code><code>##

$write->table( -params    => 1,
               -condition => "$x % 7 == 3",
               -active    => 1,
               -caller    => 0,
               SomeVar    => $some_var,
               DATA       => \%some_hash );

##</code><code>##

if (  $cgi  ) {
        $cgi = CGI::self_or_default   if   ! ref $cgi;