Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     Syntax:  !UNDEF macroname
 
     Undefines a macro by removing <macroname> from NMAKE's symbol
     table. An undefined macro is not the same as a null macro.
     See: ◄Macros►
          ◄Null Macros and Undefined Macros►
                                    -♦-