Program-variable description

Program Variable
 
                        .-------------------.
                        V             (1)   |
>>-qualified-name---subscript------,subscript-------+----------><
 

The program variable must be enclosed in apostrophes if it contains special characters. Up to 132 characters can be specified for a program variable name. This includes any subscripts, embedded blanks, parentheses, and commas. It does not include the enclosing apostrophes when special characters are used. Some examples are:

        COUNTA
        'VAR1(2,3)'
        'A.VAR1(I,3,A.J,1)'
        'VAR1 OF A(I,3,J OF A)'
        '&LIBNAME'