#!F-adobe-helvetica-medium-r-normal--18* #!N #!CDarkGreen #!Rvarsv Variables as Right-Side Values #!N #!EC #!N #!N The values of variables used in a macro in expressions and as function arguments are found according to standard dynamic scoping rules. If the variable exists in the macro's local environment, then its value is used. Otherwise, the enclosing environments, all the way to the top-level environment, are searched to locate the variable. The value used is the value associated with the first instance of the variable. If the variable is not found in any environment, then the value #!F-adobe-times-bold-r-normal--18* NULL #!EF is used. #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Lall558,dxall559 h Example #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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