If the SEPARATE CHARACTER phrase is not specified,
then:
The operational sign is presumed to be associated with the LEADING or
TRAILING digit position,
whichever is specified, of the elementary numeric data item. (In this instance,
specification of SIGN IS TRAILING is the equivalent of the standard action
of the compiler.)
The character S in the PICTURE character string is not counted in determining
the size of the item (in terms of standard data format characters).
If the SEPARATE CHARACTER phrase is specified, then:
The operational sign is presumed to be the LEADING or TRAILING character
position, whichever is specified, of the elementary numeric data item. This
character position is not a digit position.
The character S in the PICTURE character string is counted in determining
the size of the data item (in terms of standard data format characters).
+ is the character used for the positive operational sign.
- is the character used for the negative operational sign.