MARGIN, ZONEWIDTH ☆
SET MARGIN n
determines the width of the output, where n is a numeric expression.
When the printed output exceeds the margin if it continues, a new line shall be inserted.
Example. Output does not exceed 80 column.

    SET MARGIN 80
    FOR i=1 TO 1000
       PRINT i;
    NEXT i

SET ZONEWIDTH n
determines the zone width, where n is a numeric expression.
The zone width is the width which an item occupies.
Example.

    SET ZONEWIDTH 8
    FOR i=1 TO 10
       PRINT i,
    NEXT i

(Note.) The unit of the width is bytes. Multi-byte characters occupies two or more columns.