10. Using Report-Writer : Report Setup and Format : Automatic Determination of Default Settings : How Default Margins Are Determined
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How Default Margins Are Determined
If you explicitly specify the margins for the report with the .leftmargin and .rightmargin statements, these values are used. Otherwise, Report-Writer determines the minimum and maximum print positions for a line in the report while scanning the report formatting statements. If only one of the margins is explicitly stated, Report-Writer determines the other one during the scan. Report-Writer uses margins derived in this manner to determine line positions for the .center, .right, or .left statements, when these statements are used without specified parameters.