BLANK WHEN ZERO clause
The BLANK WHEN ZERO clause causes the blanking of an item when a value of zero is being stored in it.
General format
Syntax rules
1. The BLANK WHEN ZERO clause may be specified only for an elementary item described by its picture Character-String as category numeric-edited or as numeric without the picture symbol 'S'.
2. The subject of the entry shall be implicitly or explicitly described as usage display or usage national.
General rules
1. When the BLANK WHEN ZERO clause is specified for a data item, the content of the data item is set to all spaces when the item is a receiving operand and the value being stored is zero.
2. If the subject of the entry is described by its picture character-string as category numeric, the BLANK WHEN ZERO clause defines the item as numeric-edited.