*BLANK/*BLANKS will move blanks into the designated field.
Remarks
*BLANK/*BLANKS is valid only for character, graphic, or UCS-2 fields.
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The value for character is // ' (blank) or H'40'.
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The value for graphic is H'4040'.
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The value for UCS-2 is H'0020'.
*BLANK/*BLANKS storage equivalent to the implied length of Blanks is used.
The performance of *BLANK/*BLANKS is equal to using spaces when the implied length of Blanks is less than or equal to 140.