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OVERLAY

OVERLAY uses the following user source lines as a template group to overlay the corresponding columns of the current line in the generated source. Each template line can potentially change columns 1 to 72. In case of a conflicting override by several templates, the result of the last one remains in effect.

By definition, characters in the generated source line that correspond to a blank character in the template line are not changed. To replace a character in the source line with a blank, assign a character to represent a blank on the template using the BLANK parameter. This character overlays the corresponding character in the source line with a blank.

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{OVERLAY | OVR}

[BLANK = <character>]