data_properly_looped_item
loop_
_looped_item
'This'
'item'
'must'
'appear'
'in'
'a'
'loop'
loop_
_optionally_looped_item
'This'
'item'
'might'
'appear'
'in'
'a'
'loop'
_implicitly_unlooped_item
;
 This data item is properly not looped.
;

data_properly_unlooped_item
_unlooped_item          'This is a strictly unlooped item'
_optionally_looped_item 'This item might appear in an unlooped context.'

data_incorrect_loop_context
_looped_item            'This item must be looped'
loop_
_unlooped_item
'This'
'Item'
'Must'
'Not'
'Be'
'Looped'
loop_
_implicitly_unlooped_item
'This'
'Item'
'Must'
'Not'
'Be'
'Looped'
