$z = 'line one';
$z
    =
    'multiline statement';
$z = 'line five';
$z = '
    multiline
    string
';
$z = 'line ten';
$z = <<EOS;
    multiline
    heredoc
EOS
$z = 'line fifteen';
format Z =
    @<<<< multiline format
    $z
.
$z = 'line twenty';
