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A.2.8 Two-Dimensional Input Forms




Two-dimensional input forms with built-in evaluation rules.






















Any array of expressions represented by a GridBox is interpreted as a list of lists. Even if the GridBox has only one row, the interpretation is still








,


, ...


.
In the form the limits xmin and xmax can be omitted, as can y and w


.




Two-dimensional input forms without built-in evaluation rules.













There is no issue of precedence for forms such as and in which operands are effectively spanned by the operator. For forms such as and


a left precedence does need to be specified, so such forms are included in the main table of precedences above.