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if ($x and ! $y) {
    ...
}
...
else {
    ...
}

  1 sub _synch_arrays {
  2     # if the method is called from a token generated by the get_ta
+g() method,
  3     # the returned array reference will be identical to a start or
+ end tag
...
 23     }
 24     return ( $array_ref, $tag_func );
 25 }

  1 sub as_is {
  2    my ( $self, $method ) = _synch_arrays( shift );
  3    my $type = $self->[0];
...
  5    shift @$self if $method == GET_TAG;
  6    return $text;
  7 }