Haworth (2001b) and Burlew(2005, pp. 203–208) both use CALL DEFINE to change the shading
of rows.
8.3.3 Conditional Assignment of Attributes
One of the very real advantages of the CALL DEFINE routine is that it is executable. That means
that we can use it to conditionally assign attributes based on the values in a cell. Although it was
not directly pointed out, this was done in the example in Section 8.3.2. There IF-THEN/ELSE
processing was used to determine which CALL DEFINE statement was to be executed.
This capability can be expanded to look at the data itself with the objective of contro ...
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