- [ \'c', [ qw/d e/ ], [ qw/c d e/ ], 'scalar-array' ],
- [ [ qw/f g/ ], \'h', [ qw/f g h/ ], 'array-scalar' ],
- [ [ qw/i j/ ], [ qw/k l/ ], [ qw/i j k l/ ], 'array-array' ]
+ [ \'c', [ qw<d e> ], [ qw<c d e> ], 'scalar-array' ],
+ [ [ qw<f g> ], \'h', [ qw<f g h> ], 'array-scalar' ],
+ [ [ qw<i j> ], [ qw<k l> ], [ qw<i j k l> ], 'array-array' ]